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The Jungle Grows Back: America and Our Imperiled World

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"An incisive, elegantly written, new book about America’s unique role in the world." --Tom Friedman , The New York Times

A brilliant and visionary argument for America's role as an enforcer of peace and order throughout the world--and what is likely to happen if we withdraw and focus our attention inward.

Recent years have brought deeply disturbing developments around the globe. American sentiment seems to be leaning increasingly toward withdrawal in the face of such disarray. In this powerful, urgent essay, Robert Kagan elucidates the reasons why American withdrawal would be the worst possible response, based as it is on a fundamental and dangerous misreading of the world. Like a jungle that keeps growing back after being cut down, the world has always been full of dangerous actors who, left unchecked, possess the desire and ability to make things worse. Kagan makes clear how the "realist" impulse to recognize our limitations and focus on our failures misunderstands the essential role America has played for decades in keeping the world's worst instability in check. A true realism, he argues, is based on the understanding that the historical norm has always been toward chaos--that the jungle will grow back, if we let it.

192 pages, Hardcover

First published September 18, 2018

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About the author

Robert Kagan

28 books239 followers
Robert Kagan is an American historian and foreign policy commentator. Robert Kagan is the son of Yale classical historian and author, Donald Kagan. He is married to Victoria Nuland, the former U.S. ambassador to NATO, and has two children. He is the brother of political commentator Frederick Kagan.

Kagan is a columnist for the Washington Post and is syndicated by the New York Times Syndicate. He is a contributing editor at both The New Republic and the Weekly Standard, and has also written for the New York Times, Foreign Affairs, the Wall Street Journal, Commentary, World Affairs, and Policy Review.

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Profile Image for Murtaza.
712 reviews3,386 followers
April 10, 2019
Robert Kagan is among the most capable apologists for the U.S.-led liberal international order. While the crimes and follies of the post-WW2 order weigh heavily on our minds (Vietnam, Iraq etc.), there are also genuine accomplishments that are less noticed by critics. Kagan takes a long view of history to make the case that the last 70 years have in fact been the most peaceful and prosperous in human history. He credits the liberal order with mostly keeping allies by persuasion rather than coercion, unlike its former Warsaw Bloc adversary. Were the U.S. to withdraw from the world, he argues, it would fall back into pre-1945 patterns of behavior. Those patterns including chronic great-medium power conflict, territorial irredentism, authoritarianism as a norm and more terrible things that we felt that we had left in a benighted past.

Critics of American foreign policy, myself included, must take Kagan's arguments seriously. Viewed in the context of history, the achievements of the liberal-order are indeed not so easy to dismiss. This is why it continues to enjoy such powerful support both here and abroad. My problem with Kagan is that he makes arguments at times dishonestly, or at least myopically, which undermines trust in the rest of his case. In making his argument about Vladimir Putin as an unreconcilable wannabe Tsar, he ignores that Putin actually supported NATO moves such as the 2011 No-Fly Zone in Libya. Later behavior, such as the deposing of Gaddafi, clearly embittered him because they appeared as a betrayal. Perhaps if things had been handled better later disputes in Syria and Crimea may not have occurred. Kagan doesn't even mention this possibility in making his case for Russia as a congenitally implacable foe. His attempt to defend the Iraq War as merely a good-faith mistake is also predictably glib. I feel that he is on more solid ground describing China's regional great power ambitions. But he also fails to consider how the behavior of foreign countries may also be motivated by genuine insecurity in the face of perceived threats.

There are many things we take for granted living in a liberal society. Free speech, assembly and conscience are almost like the air we breathe at this point. Such a world is not the norm. Authoritarianism may indeed be a more "natural" human state, as history strongly suggests. Communism and liberalism ironically have a lot in common as children of the Enlightenment, with Communism being the more radical sibling. With Communism's collapse, the challenge to liberalism today comes from anti-Enlightenment forces. They would like to replace liberal freedoms with much older forms of authoritarian rule, communal and spiritual. From what we know such governments are often easily corrupted by lack of oversight, as well as prone to war. They do not have the fellow-feeling that liberal societies do and frequently are at odds with one another. There are old grudges to settle that go back hundreds of years, stemming from the unchanging geography of the world. This is the "jungle" that Kagan warns is growing back as the liberal-order recedes.

I would take liberalism, with all its flaws, over authoritarianism. I also do not relish a worldwide security vacuum where Japan and Germany feel compelled to arm themselves with nuclear weapons and the Baltic States and Southeast Asia are devoured by local hegemonic powers. Such a world would inevitably draw the United States back into war as well. Ideally, it would be better if a third way that deprivileged the United States to some degree emerged. However the Non-Aligned Movement and Bandung Conference style politics of the past seem to have fizzled out. There is no global liberationist movement ready to manage the international system, at least not yet. Today we have a choice between bad and ugly options. We don't have the luxury of tossing out the bad in a spirit of moral outrage.

I suspect that Americans have a deeply-held feeling that they do not really need a foreign policy. The world is distant and messy, separated from them by two wide oceans. This solipsistic worldview is what leads to the election of people like Donald Trump, who rebuked the idea of even having a coherent foreign policy. It was also more subtly expressed by Barack Obama and even the early years George W. Bush, both of whom seemed to view foreign policy as a headache to be managed. Americans do need a foreign policy, however. The post-WW2 order has been in some limited sense a vacation from history. As the order falters, we see history reawakening. It already does not look pretty. I share Kagan's pessimism about what the future could hold, especially when looking at the broad scope of human history before 1945. I'm not as sanguine about the status quo as we he is. However I appreciate that unlike many other neoconservatives he has been sincere about democracy promotion, even in places like Egypt where the governments voted into power have not been to American taste. He is a genuine believer in Enlightenment universalism, not an opportunistic one.

A short and extremely relevant book about the most important issues of world order playing out today. You do not have to accept Kagan's case to understand the gravity of what he is arguing.


Profile Image for Esteban del Mal.
192 reviews61 followers
January 15, 2019
This book is like one of those pharmaceutical commercials you see that portrays the happy, healthy life circumstances of people because they take Brand X pill to treat whatever condition afflicts them and that would otherwise lay them low. Meanwhile, the calming voice of a narrator ticks off all the possible side effects from taking the pill. What do I mean by this? Let’s start with a quote from the author himself:

Members of Congress from both parties have underfunded the military since the beginning of the post-Cold War era, but especially over the last decade.

And that’s it. That’s the active ingredient that is lacking in American foreign policy. It doesn’t project enough military power. However, no mention is made of the fact that the United States spends more for defense than any other country -- more than most every other significant country combined with every other significant country -- by a large margin. And what are the side effects of that mammoth spending? An underdeveloped welfare state whereby the citizenry of the U.S. are reduced to a state of economic bellum omnium contra omnes, that Hobbesian hellscape of “the war of all against all” Kagan warns against in the international sphere, excepting that it’s hardly fair because your typical U.S. citizen has neither the resources nor recourse to any intervening remediating influence, unlike those nations that have flourished because of American largesse. The fact that the past 70 years have been relatively peaceful worldwide is small consolation to the man or woman who is reduced to bankruptcy because he or she lost his or her job.

Kagan also indicts the tenure of the last presidential administration (Obama, for those of you keeping score at home) as being a principle culprit in both underfunding the military and not applying it to maintain the international order, despite that administration inheriting the biggest shit show, economic and foreign policy-wise, this side of WW II. And what precipitated that shit show? Well, largely the overreach of the preceding administration, what with its unilateral invasion of Iraq. An invasion that squandered international goodwill toward America, particularly in the wake of the terrorist attacks of September 11, 2001. Does Kagan actually believe that Obama, who won the presidency by promising to extricate the U.S. from Iraq specifically and the Middle East generally, could have committed the military to Syria, itself reduced to a years-long, regionally destabilizing war because of the missteps in Iraq? Kagan would have us spiral further down the intervention rabbit hole, exhausting an already exhausted military and populace. Exhausting a military staffed by a populace which joined the military because it was the only job available. While other liberal democracies enjoy the benefits of a welfare state because they haven't had to invest in their military to any meaningful degree, the only welfare state available to U.S. citizens IS the military.

But Kagan doesn’t see the invasion of Iraq as an overreach. Or Vietnam. He sees them as the type of natural consequence resulting from America living up to its obligation to police the world because it inherited a leadership role in the wake of WW II. What’s more, it benefits from establishing and enforcing an international order. I agree with Kagan on these points, but I also contend that, as other liberal democracies take root and flourish (read: Germany, Japan), they can contribute to the maintenance of international peace to a degree that allows the U.S. to focus more on its domestic affairs; after all, not only those liberal democracies that have been allowed to take root and flower under the American umbrella, but all of Western Europe, have well-developed welfare states that are able to flourish because of the guarantee of American military protection. Is it too much to expect that America divert some of that budget earmarked for defense to domestic development and those other countries increase their contributions to the mutual defense that guarantees international peace that they, and the entire global community, benefit from? America can certainly maintain its position as hegemon in such a scenario.
Profile Image for Mbogo J.
466 reviews30 followers
October 2, 2018
In this essay Kagan prosecuted his case with such aplomb that if you have a marginal understanding of geopolitics you might wonder why his position is not the default position. The problem or lets say disagreement comes when you have a prior position...

I agree with Kagan that America has a big role to play in the global stage but I differ with him on the extent and the methods used. A lot of times Kagan seems to be a war monger and stopping short of calling for preemptive strikes. The tone was also a tad be condescending, Kagan talking about countries as if they are kids and America the good baby sitter who saw to it that they grew into good adults. All the good in those countries was somehow credited to America and lets not forget the book title that seems to suggest anything unamerican is a thicket deep in the jungle.

I could go on and on about my disagreements with Kagan but he had some good points. A lot of times he was telling it like it is and he gave conflicting positions a fair hearing. He is also a superb essayist with a good grasp of foreign policy and though you might not like his positions you will learn a lot about the open positions out there in the current geopolitical environment.
227 reviews24 followers
September 21, 2023
Mr. Kagan has written a very convincing tribute to the world order put together by the US and other democratic governments at the the end of World War II. He points out that it has brought the world 75 years of unprecedented peace and prosperity. He now fears that many beneficiaries of that world order have forgotten the international free-for-all that preceded, and ultimately led to, World War II. He makes the case that America is the essential nation in this world order and that if the US tires of its role as the world's police officer, someone less capable, or more probably, no one at all will try to assume that role. His prognosis for such a world reminds me of that scene in Gone With the Wind in which the last Confederate soldiers are retreating from Atlanta and Scarlett is glad to see them go; but Rhett reminds her that with those troops go the last vestige of law and order. No sooner does Rhett utter this warning than the streets are filled with desperate people trying to steal his horse and the city bursts into flames.

Unfortunately, it is all too easy to see Kagan's analysis as prophesy. The former (and possibly future) US president sees foreign policy as doing favors for autocrats in whose countries he has investments, bad-mouthing traditional allies, and letting what he considers s___hole countries shift for themselves. His supporters, and many others, are unwilling to make the sacrifices that Kagan sees as necessary to maintain a world order in which countries can concentrate on improving their economies and societies without worrying about defense because has the US has their backs.
Profile Image for Richard Subber.
Author 8 books54 followers
October 6, 2018
If nothing in Kagan’s book surprises or terrifies you, then you’ve been unhappy for a long time.

The Jungle Grows Back teaches and motivates without consoling anyone who believes in any version of “world peace.” It is bad news all around, and Kagan bluntly says that all of us who want a stable world order have to step up and start actually doing something to keep our children and our grandchildren out of harm’s way.

“The past seven-plus decades of relatively free trade, growing respect for individual rights, and relatively peaceful cooperation among nations—the core elements of the liberal [world] order—have been a great historical aberration.”

Kagan says that fearful, competitive, militaristic, geopolitical competition among nations is stoked by regrettable elements of human nature, and that the deadly conflicts that have characterized all of modern human history are the default conditions of mankind’s dominion all over the world.

The Jungle Grows Back explains how the United States, with unique economic and geographic strengths, imposed and nurtured the relatively peaceful world order that has existed during the lifetimes of almost all of us.

For some years America has been withdrawing from its leadership role around the globe. Weaker nations are starting to revert to the combative, competitive, multipolar power struggles that they practiced for centuries.

If American continues to pull back, our world will become more dangerous.

Regardless of all the bad things that go on in the world, we enjoy the relative comforts and security of a world without world war. Kagan writes the bald truth in a blast: this world order “is as precarious as it is precious. It is a garden that needs constant tending lest the jungle grow back and engulf us all.”

Read more of my book reviews and poems here:
www.richardsubber.com
Profile Image for Karl-O.
176 reviews4 followers
Want to read
February 16, 2019
https://www.economist.com/the-america...

From the piece:
Canada’s instinct is to redouble its commitment to old principles rather than to adopt new ones. It remains a vocal defender of human rights, which pleases idealists but annoys despots. Ms Freeland says that one of her favourite new books is Robert Kagan’s “The Jungle Grows Back: America and our Imperilled World”, a gift from Germany’s foreign minister, Heiko Maas. It argues that jungle-like chaos is taking over the ordered garden created by the United States. Ms Freeland believes that Canada must fend it off as best it can. “The rules-based international order is powerfully in our national self-interest,” she says.
Profile Image for Mostafa Bushehri.
111 reviews57 followers
August 30, 2019
A journalistic writing- without methodological framework- in defence of the current "liberal world order".
Profile Image for Sara Fikse.
81 reviews
March 14, 2025
~130 pages. we used to take the ever-present evil in man more seriously !!
354 reviews5 followers
April 2, 2019
An extended essay in which Kagan passionately argues that America must continue in its role as the world's policeman. After WW II, American economic, military and political power secured a "liberal world order". In Western Europe and the Far East democracy flourished and the war ravaged economies were rebuilt. Although this was achieved in the context of the Cold War, Kagan states that American leadership was planned by leaders like President Truman and Dean Acheson before the confrontations with the Soviet Union began in 1946. It was a reaction to the results of American isolationism after WW I. To Kagan the most significant event in post WW II was not the fall of the Soviet empire, but the democratization and pacification of Germany and Japan. However, the threat of international Communism justified, to many Americans, the enormous cost of defending allies who had by 1989 grown prosperous. After the collapse of the Soviet Union we adopted a naïve belief that we had reached the "end of history" and allowed the world to slip into its current confused and perilous state. The threat now is from revanchist, nationalistic and intolerant states and non-state actors. Authoritarianism, a more comfortable form of government in stressful times, is now ascendant. Russia, China, Eastern Europe, the Mid East are dominated by leaders who disparage democracy and individual rights and promise a return to past glories.
Kagan doesn't see either democracy or autocracy as inevitable. However, even in the U.S., the golden child of the Enlightenment, we have elected a president who is as illiberal and tribalistic as Hungary's Viktor Orban. More constrained domestically, but far more dangerous to the world's future. Kagan posits a world much like that in the first half of the 20th century. Without the guarantee of American protection, Germany and Japan will return to militarism. Their neighbors will form alliances to protect themselves. We will be back to a Hobbesian world, this time with nuclear weapons.
Kagan takes a too expansive view of America's capabilities and responsibilities. He blames every bad thing in the world on our failure to act. He sees Vietnam and Iraq as justified efforts undone by poor execution. I see them as being based on false premises . These adventures reduced the credibility of the American people in their government. He doesn't mention our previous support of jihadists in Afghanistan. Blowback does not seem to concern him, failures of omission are much worse than those of commission. It's possible that the world is now evolving towards a rejection of the post war "liberal world order" or neo-liberalism as it's often termed. The U.S. has to develop new strategies involving greater flexibility. Unfortunately we have a president with no knowledge or sense of history, who has apparently no idea of the fire he is playing with. Kagan sees Obama as being weak, but that Trump is an unmitigated disaster.
Overall, I agree with Kagan that because of her geography, wealth and democratic experience, America is "the indispensable nation" as Bill Clinton put it.. If any other nation aspires to the title, no one should trust them.
Profile Image for R..
1,682 reviews51 followers
July 9, 2019
Kagan is predictable in his likes, dislikes, and beliefs. He speaks and believes in absolutes and absolutely believes that what he believes is the only logical thing for anyone not foolish to believe. He is a believer in the absolute right of capitalism as the best and truest form of government.

Like most conservatives of his flavor, he can't see the forest for the trees. He wrote an entire book about the political aspects of war, foreign policy, and American power projection, and never once mentioned climate change (which the Department of Defense has said is a major threat for over a decade) or any number of other real world threats.

“Democracy has spread and endured because it has been nurtured and supported: by the norms of the liberal order, by global pressures and inducements to conform to those norms, by the membership requirements of liberal institutions like the EU and NATO, by the fact that the liberal order has been the wealthiest part of the world, and by the security provided by the world’s strongest power, which happens to be a democracy.”

All of that is true, and as I sit here reading this I think more and more that this book is a response to Trump's attacks on the liberal order and should probably be seen as such. That said, this book will likely lose relevancy faster than most because of that very fact. Trump is not an anachronism. (I despise him) What he is, is the product of a confluence of everything bad in American culture made manifest. He's a monster that wouldn't have been possible without the American values of the time. He's greedy, immoral, capitalism run wild and Kagan's absolute defense of the system that created Trump while condemning him is hypocritical at best. Don't like Trump? Fix the system that created, nurtured, and rewarded him. Otherwise, you're a part of the problem.

I cannot in good conscience recommend this title while there are other truly good books left unread.
Profile Image for Daniel Cunningham.
230 reviews36 followers
February 11, 2019
This is one of that books that I love because it makes me really wonder if maybe a bunch of things I believe are ill-founded while bolstering a strain of thought that I think I've "secretly" harbored for a long time. But I also think the book leaves out a lot. Sure, a "unipolar" world, a US-led liberal order, is safer and more stable (for many... or at least for some.) And, sure, a "balance of powers" between "great powers" has a 100% terrible history. And a China-led illiberal order seems like it would be the worst of the US-order, writ large.

But there is a part of me that just... pushes back and says, "There's got to be a better way." I think part of that comes from the (obvious) admission from Kagan that of course the US, as global cop, will have to make choices: we can't be everywhere, we can't "fix" things, so we have to pick where and how much and how long and how hard. And all those choices leave a lot of room to f* up. Which Kagan also admits.

I guess it come comes down to the "Communism" question. I.e., communism is great on paper, it just turns into a disaster when you actually do it in the real world. I don't think the US ever did anything even approximately Stalin-scale, so I'm not drawing a false equivalency here. That said, maybe the US-led unipolar world is "great on paper" only. Maybe the alternatives aren't a US-led liberal order or a new "Great Game." Maybe we can actually have a truly multi-polar world... but I suspect that might be more a wish than a reality.
Profile Image for Piker7977.
460 reviews28 followers
January 19, 2020
There's not much new in The Jungle Grows Back. The main argument is relevant and accurate. The liberal world order is pretty darn good and a return to a Hobbesian world would be awful. No question. However, the first half of the book meanders between the pros and cons of America's Cold War strategies and the world they created with an overall thumbs up. This is muddled with a few too many cliches and numerous "wrinkles in time." The last section rambles about the necessity of military interventions to help preserve the "garden" of the postwar world. The author seems to excuse some of the biggest blunders of our time by cloaking his point in "just think of what could have happened" or "you never know." Plus, I don't think an accurate assessment of nuclear weapon strategy was reflected in his analysis of the Cold War nor in his comments on contemporary policy.
Profile Image for Leigh-Anne.
313 reviews6 followers
February 13, 2019
This essay was fascinating and really disected the outcome of WWII and the lasting world order since. At times, some parts seemed to be redundent, but the flow made sense and kept me interested. It's also interesting to me that most past presidents haven't necessarily been at either end of the spectrum. Most have agreed to the same type of foreign policy, and simply package it differently. I think if we were all students of our own country and history as well as it's role in the world, we would be more willing to put aside petty politics and maintain our global status.
Profile Image for Greg.
809 reviews61 followers
August 24, 2019
What kind of foreign engagement is best for United States in the 21st century?
It is apparent that many Americans, observing a world that appears to be growing steadily more unsafe, are so gravely dissatisfied with what our foreign aid and seemingly unending military engagements have achieved that they believe “we have done enough” and that from now on other nations are going to have to pick up the burden of defending themselves without “taking advantage” of the US.
However, citizens are unclear about precisely what our future foreign policy should be.

Gaining Perspective
These sentiments are very similar to those that surfaced during and after the Vietnam war. And, just like then, I fear that the pendulum of public opinion is swinging too far and too fast, lacking the perspective that a longer-term view helps provide.
It is not a coincidence that as the generation that lived through the Great Depression and the Second World War recedes into history, we once again see the emergence of ugly nationalism and yearning for isolationism. We no longer have the testimony of living witnesses from the early 20th century who could warn us of the horrors that can so easily flow from such attitudes.
Besides, while the impulse to leave the rest of the world to itself may be strong, it is an illusion. In the 21st century, our fates are inextricably linked and the beliefs and actions of other nations will inevitably impact us. Moreover, absent our attention and engagement, we will have no way to ameliorate their decisions.

Robert Kagan — a Nationalist Internationalist
Using clear and elegant language Kagan, offers a powerful and cogently argued case for why a liberal international order has been, and remains, the best means to preserve peace and stability throughout the 21st century. [In this context, “liberal” means the guiding conviction that open, candid, and respectful communication, free trade, and mutual cooperation among nations is the best way to maintain peace and ward off a return to the inter-state competition that regularly led to war between and among the nation-states of Europe for hundreds of years.]
Like many, Kagan fears that Trump and the nationalist populists of Europe are using the kind of rhetoric and divisive tools that, however unwittingly, will recreate the kind of poisonous atmosphere of suspicion and rivalry that create conditions more favorable to war than to peaceful relations between nations.
Since Kagan’s internationalism flows from his nationalism – he believes that a commitment to a stable world order is desirable precisely because this benefits the United States – his perspective should interest Americans despite their political leanings.
Kagan demonstrates how both our foreign policy has always been guided by what appeared to be best for us and that a strong isolationist sentiment has been part of the American mindset from the very beginning of the Republic. (After all, George Washington in his Farewell Address to the nation warned against the difficulties that would flow from becoming involved in “entangling alliances.”)
Despite the popular conception that America remained aloof from other nation’s affairs until World War I, we have always been involved with other countries. After all, the colonial rebellion against Great Britain could not have possibly succeeded had not Britain been fighting a world war at the same time. France decided to aid us not because it favored a democratic republic but because it was one of the powers at war with Great Britain. By helping the American rebellion continue they ensured that thousands of British soldiers and sailors would be needed there rather than in Europe.
Moreover, within 50 years of our independence we boldly extended our mantle of protection over all of the Western Hemisphere — symbolically, since we were unable to enforce it — in what became known as the “Monroe Doctrine.”
Throughout our history we have been both idealistic and generous, although a healthy component of both has been guided by our own perception of self-interest. The Marshall Plan after World War II, for example, was bighearted, but it was born out of the necessity that unless Japan and Western European countries returned to economic prosperity from the vast destruction of World War II they: a) might well fall back into the sort of warring, nationalistic states they had been for most of their existence, and b) would be unable to resist the westward thrust of the Soviet Union.
On the other hand, American idealism has also often morphed into a selfish, even ugly, self-righteousness, as we frequently lectured others on how they should behave — including in their domestic affairs — while brushing aside, sometimes angrily, their critical observations about our own behavior and domestic problems.
Throughout his book, Kagan candidly stresses that any action — even inaction — will entail costs, many of which are unforeseeable as well as uncontrollable. From our recent experiences, we today are very aware of the dangers of hubris; Kagan urges us to remember that there dangers of equal or greater magnitude that often arise when we avoid or turn aside from engagement.
While citizens’ reaction to the debacles of Iraq and Afghanistan behind today’s “get out and leave ‘em alone” sentiment is understandable, Kagan notes that failing to act can also have terrible outcomes. He notes, for example, two costly occasions when President Obama hesitated to act forcefully when, had he done so, it would likely have forestalled worse chaos later: the devastating civil war in Syria and the desolation in Libya following Gaddafi’s fall. as consequences of American failure to act.

The Jungle that Threatens the Garden
The greatest accomplishment of American foreign policy, he asserts, was the creation of a liberal world order in which she and her partners sought win-win outcomes. The major reason why Europe since the Second World War has not experienced the kinds of violence it had known for centuries, he asserts, is a consequence of the protective barrier maintained by the United States. Within this sphere, in which military defense played a significant protective role, nations were able to pursue mutually advantageous political and economic policies that reduced inter-state suspicion and violence and promoted widespread prosperity.
He contrasts this flourishing garden with the always present danger of allowing the jungle — an environment of unrestrained inter-state competition that was the primary cause of World War I and which post-World War II policies sought to keep at bay.
That seventy-five-year-old order has been fraying for years and, with the rise of nationalist populist forces in Europe and a similar sentiment in the United States that gave us Donald Trump, is in serious threat of collapsing entirely.
Kagan forcefully argues that despite the false promises of today’s demagogues, though, the loss of the liberal order will not bring prosperity or maintain peace but, much more likely, the opposite.
He recognizes that the conditions upon which the liberal order was originally built have undeniably changed. New world actors, such as China, have arrived and demand their deserved place at the table. But that is no reason to abandon this successful order but, rather, to adapt it anew.
China will likely not agree to the same terms and conditions that Western Europe and Japan signed on to after WW II, but because China also has prospered from this order in the past it is in her own interest to work to continue this prosperity as long as she participates is an equal player.
The real question is not whether or not the 21st will be “China’s century” but whether the United States has necessary wisdom and confidence to work with China — and Russia and Europe and the Middle East and Asia, too — in making the 21st century one in which rivalries remain primarily economic and in which regional and international forums can be modified or created to resolve more contentious issues.
We must abandon the illusory bravado of the win or lose binary framework and, instead, embrace a genuine desire to achieve win/win solutions.
This will take renewed vision, hard work, and a willingness to endure — and accept — criticism.
The failure to do so is too awful to comprehend.

A couple of caveats
I mean in no way to detract from the wisdom and ultimate direction of the kind of future foreign policy Mr. Kagan supports by noting a couple of personal yes, but… comments, yet there are two main areas that I wish he had devoted some attention to:

1) He does not discuss the failure of the United States to remain supportive of the United Nations
One of the gravest failures of the US, I my opinion, over the past 50 years has been how we have both undermined – and backed away from – our dream/creation of the United Nations. Mr. Kagan notes how the failure of the United States to join the League of Nations – President Wilson’s chief mechanism to end the kind of war among all that was the First World War – was a major factor in the return to balance-of-power international politics so soon after that war’s ending. Had the United States been a participating member, Kagan argues, the world community might have had the will and force to both resist Japanese aggression in China and to thwart Hitler’s initial tentative moves when Germany was still militarily weak. Furthermore, that engagement might also have given the Weimar Republic both the means and the time to outlast the right-wing demagogues so prevalent in Germany in the 1920s who served to prepare the way for Hitler’s later moves.
Given that, and also because the United Nations was every bit as important to Franklin Roosevelt’s hopes for a more peaceful, war-free future, the fact that the United States so often chose to “got it alone” despite world opinion or in disregard of United Nations’ positions is one of the major failures of American foreign policy in the past 70 years.
Our plotting with the British to oust Iran’s democratically elected Mossadegh occurred years before our Vietnam involvement, but it was an early example of how we thought nothing of end-running the United Nations – or even going against our much-vaunted rhetoric supporting democratically elected leaders.
Post-Vietnam we continued our military incursions in smaller countries, including Panama and Nicaragua infused with Cold War fervor and a conviction of the righteousness of our cause.
Yes, there were times when the Soviet Union – often joined by China – vetoed proposed American resolutions or suggested actions in the United Nations’ Security Council, but even then we were able to present our case to the world community, both giving others insights into our reasoning and allowing others to offer their own perspective, criticisms, and suggestions.
This failure is all the more alarming given the range of issues facing the world community that are beyond the ability of any one nation to “solve” on its own. Just for starters, these include climate change and its many economic, demographic, political and even military consequences, the ongoing threat of terrorist factions around the world, increasing food and water scarcity in highly populated areas of the world, and managing the continuing desire – and even need, as coastal waters rise and global warming unsettles agriculture – for immigration.
Clearly, the United Nations needs to be part of the solution for our future foreign policy.

2) Relatedly, he does not creatively re-imagine how current economic and political rivalries might be harnessed in new ways to confront common problems.
In this context, I am thinking of the possible roles both Russia and China might play in joining the United States in de facto alliance projects to tackle some of the major regional and international challenges.
Some have written of the Thucydidean challenge posed by the rising power of China and the – relative, at least – declining power of the United States. As famously discussed in Thucydides’ account of the Peloponnesian War, Athens mishandled the grievances of others against its de-facto empire and, in particular, allowed itself to be drawn into military conflict with long-time rival Sparta.
Current US foreign policy thinking appears to be rooted in past paradigms: either we prevail, for instance, or they will.
But in today’s world, what in the world does “prevail” mean? We are slipping back into 19th century ways of thinking about power: an all or nothing struggle in which, in order to “win,” some other has to “lose.” But that is not the only possible framework!
I agree with Kagan that maintaining a united Europe is extremely important, both in order to avoid returning to the “my state vs. your state” mentality that prevailed prior to World War II, and which was responsible for European inter-state violence for hundreds of years, and as a means of peacefully resisting Russia’s current interest in destabilizing individual countries in the hopes of weakening the united European alliance. It may be that, in such a stable environment, Putin’s successors might once again review whether Russia wishes to be a true participating partner in an alliance of prosperity and peace.
But until Russia makes such a decision, Russia must always be invited to participate, observe, and share with the rest of us as a means of lessening false apprehensions on Russia’s part about Western and US intentions, and as a means of enriching the common good.
And China offers the greatest hope – and challenge – of all.
Currently, not only are we caught in a tit-for-tat exchange in the military field – in which our warships continue to assert the right of passage in waters China regards as “sensitive” and China continues to modernize and expand her military forces – but Trump’s idiotic tariff wars are not only having damaging economic consequences – here, in China, and in Europe – but give those in China already inclined to view the US as a hostile force further reason to believe their conclusions are correct.
China need not be our “friend,” but it is crucial that she not become our “enemy.” We must examine all the ways that we currently are giving Chinese authorities reasons for believing the latter: is everything we are now doing necessary and/or successful?
How are the two powers, bristling with expanding militaries and refined nuclear weapons, going to deal with global warming, with immigrant populations fleeing the consequence of rising waters, of the nationalist-populist demagogues seeking to capitalize on current chaos in order to further their own interests?
We should not kid ourselves into believing that these larger developments will not continue to increase pressures on us. Furthermore, it should be obvious that we are incapable of really solving any of these macro-issues on our own.
Profile Image for Hibiscus.
339 reviews
May 25, 2024
I was crossing our Forum, it was the sexta hora and the usually busy square was empty. I walked under the shade of a portico, where the traders usually gather, indulging in an idle talk. I heard this Arab merchant complaining about the Roman rule in the East. These Asians are up to no good. Why are we always responsible when things go south in Mesopotamia? I knew I had to write a short tabula to repudiate such deceitful claims. Maybe one day it will turn into a full-length scroll. For now, this is my humble apology for Pax Romana. I hope it's not belated. I know that Rome still has the steam in its bellows. Its legions are still strong and hold the limes. So let me start.

Essentially we are a benevolent republic. The first and only of its kind. The facts speak for themselves. Never before did the Mediterranean enjoy such prosperity. The merchants can safely trade all the way from Londinium to Alexandria, from Massalia to Palmyra. You know why? Because we built roads and put guards on them, while our fleet will hunt down any pirate who dares to mud the waters of our cherished pond. But you know, it wasn't all built in a day. In fact, we never wanted to run the world. But what were we supposed to do when Hannibal attacked us with his hordes? That fool had a head start but little he knew that he woke up a sleeping giant; once our military machine gained momentum, Carthage was doomed.

With the western Mediterranean firmly under our control, we looked with horror at what the Greeks were up to in the eastern half. These petty Europeans almost destroyed each other. We couldn't tolerate this bloodshed. Now there is no geopolitics in the Balkans, only geo-economy. The Greeks will compete in trade with the Phoenicians and both will get only richer.

Ever since we subjugated Gaul, the Celts are living in peace and harmony, forgotten are the days of quarrels and mayhem. But the Germans to the north cannot settle down. They won't give up their wild ways and the barbarian jungle keeps growing, threatening our beautiful garden.

And why do you ask about Judea? Look, I accept we overreacted there, but those fanatics challenged more than our power, they tried to undermine our rule of law that feeds and nourishes the world. Fools.

Now let's talk about the unruly Persians. Some say their culture is older, but who cares when ours is the right side of history? And how can the Persians claim Armenia for their sphere of influence, just because they ruled there before us? The people there made their choice, now they are our loyal clients. We will surely outcompete the Persians in economy and just look at our geography. Surrounded by seas on all sides, with the Alps guarding the north, Rome is unmatched by the Persian capitals, which we invaded time and again in the centuries past.

The message is clear. All kingdoms big and small must give up their provincial ambitions. Only in that way, a durable peace can be established in the oecumene. If we have all the weapons then these nations will have all the bread. And we promise we will not take your bread when we run out of ours.

It's true that slavery still booms across the country, but don't forget how we kindly granted citizenship to the plebeians. Alas, things are not always going well at home. A mad consul recently almost dismantled our hegemony in the East. But our retrieval is only temporary. We will restore our prominence among nations, and get only stronger; if only we want. And don't call us an empire, we are a proud republic, with senate and congress and laws. Though, what can you savages know about these things?

In the end, it's in your best interest for Rome to survive. I tell you, once Capitolium falls, uncertain times will come. Some will call it multipolarity, but they will be better remembered as the dark ages.
Profile Image for Vance.
85 reviews
December 16, 2018
I appreciated this insightful work because it helped crystallize thoughts I possessed without any understanding beyond instinct. Although a registered independent, I am in the liberal camp and despite recognizing Obama as the best choice, always held distaste for his reluctance to exercise international authority. In particular, I felt the Syrian crisis and Russian aggression towards Ukraine (and Kosovo, which merits no mention in the book) deserved greater responses.

The beauty of this book was how Kagan identified why these tragedies are serving to erode global uplifting. Unfortunately I also came away believing his blanket prescription was more military action. Please do not mistake that statement as implying we turn the other cheek. We do need to maintain ability to exercise military response, but it needs to be coordinated with reasoning alternate coping mechanisms. For example, I would prefer forging an economic alliance denying access to autocratic regimes over launching offensives.

Perhaps what rubbed me the wrong way was my interpretation of Kagan’s analysis of the invasion of Iraq. I came away thinking the author believed this was beneficial by virtue of displaying how the hammer would fall on renegade regimes. I concur with his assessment there will be mistakes and we should accept that as fait accompli. But I disagree Iraq is an acceptable blunder. My belief is the second invasion of Iraq was tragically misguided and only caused misery while helping create the Syrian situation (i.e., further worsening the situation versus inaction).

What I fear Kagan dismisses is how, despite positive outcomes, motivations for past actions were not driven by the needs he so brilliantly identifies. Now that benefits have been clearly articulated, the hope would be that a lasting, non-militant, strategy might be constructed? No easy row to hoe, and I support a strong military for many years to see things through, but we need to dwell upon alternatives because he who lives by the sword dies by the sword and that is not the long term answer.
Profile Image for Meena.
35 reviews
October 1, 2025
Yes, deeply flawed, and sooo pro-America and condescendingly-American. That America can be the only saviour for democracy is a fucking crazy stance, also the suggestion that it needs to increase its international military presense is fucked and just not true. Why did I read this? I guess it is interesting to read something from a different political stance and see how you can untangle the arguments and disagree (I am vaguely worried a political scientist is growing inside me aakk!) but I also think there is a kernel of something interesting here. There is something interesting about the idea that there is no fated happy ending ("there are no final triumphs. Human existence is a constant battle among competing impulses"), that there is an impulse to want order/security over "freedom", and that the "deepening of our historical experiences should lead to a stronger sense of the precariousness of human freedom and to a still greater dedication to it". It is also insightful to see how his predictions from 2018 hold up 7 years later.
So yes deeply flawed argument and wrong suggested solutions, but also a pointed look at why/how we have become a more far-right authoritarian world and the need to fight that.
Profile Image for Liz.
427 reviews1 follower
November 13, 2018
I knew this would be an important book, because Robert and I went to grad school together and he was always the smartest person in the room. The first 2/3 of the book represent a comprehensive review of global history since WWI (which we certainly need in the age of Trump) and which sets the stage for the policy analysis and prescriptions of the final 1/3. To Kagan’s credit he avoids the obvious name-calling that the current state of foreign policy deserves, with its Know-Nothingness, broken treaties, tariff wars, and jingoism. Instead he contextualizes the current president’s antics and Pres. Obama’s distaste for foreign policy in the current decline of respect for the liberal world order. He and I might disagree about the roots of that, but it’s a useful way to think about this administration and how to combat his wild swings of pique when dealing with the world. Kagan is clear-eyed about the threat of fascism—at home and abroad—and he concludes with a reminder of our responsibility to defend what we believe in. Bravo, Robert—the world is better for your book.
Profile Image for Paul Womack.
607 reviews31 followers
November 3, 2018
Both history and analysis of where we are globally and how we got there. It is a spirited defense of liberalism against authoritarianism, as we face the next few years. I appreciated his citation from Reinhold Niebuhr, whose theological perspectives were so acute, at least in my mind. The end notes offer resources to engage for further study.
Profile Image for Carlos García Zoido.
5 reviews
September 12, 2022
A great book title sticks in the head and accompanies the reader from the first to the last page. The Jungle Grows Back is the perfect metaphor for Kagan’s argument and is a powerful and reminiscent image across the chapters. The United States has dedicated during decades unprecedented effort and resources to clear the jungle and build the prosperous liberal village in defiance of nature. However, the comfort of the cabins and the flourishing crops has made America forget the responsibility of wielding the machete. The dark dense Jungle never rests. Nature creeps back, full of dangerous beasts and uncertain threats.

Robert Kagan’s perception of international politics is realist at its best and fatalistic and paternalistic at its worst. The Jungle Grows Back has a clear underlying sense of American exceptionalism and tends to overestimate the successes of US foreign policy since 1945 while omitting or rushing through some of its most notable failures and abuses. For someone inexperienced in the subject, a quick read of Kagan’s work could be sufficiently convincing of the American infallibility in its role of savior of the international order or, on the other hand, could be enough to arouse repulse and even fear to those that regard the relationship between peace and conflict in absolute terms. Unfortunately, reality is far more complex than that. After separating the wheat from the chaff, The Jungle Grows Back presents an overall sound argument with several points worth taking into consideration.

Kagan starts the book with a simple idea: International liberalism is a rarity. He puts it this way: “The American-led liberal world order was never a natural phenomenon. It was not the culmination of evolutionary processes across the millennia or the inevitable fulfillment of universal human desires. The past seven-plus decades […] have been a great historical aberration.” (p. 1). For anyone with a basic understanding of history and politics, it seems fairly obvious that the liberal world order is something exceptional. Kagan does not spend too much time arguing why this is the case nor does he try to justify extensively why the liberal world order is more desirable than any other alternatives. This book is not about these questions. For that purpose he cites authors like Steven Pinker, who has conducted much more rigorous research on the wonders of liberalism. The Jungle Grows Back takes the desirability of the liberal world order for granted. Therefore, readers who are not convinced of that premise might find the rest of the book irrelevant. However, once you accept that 1) the formation of a liberal world order such as the current one is not an inevitable process but a historical rarity and, 2) the liberal world order is something valuable and worth sustaining, Kagan has relevant things to say about the role of the United States on this issue.
The idea of natural rights, democracy, or international law are not post- World War II inventions. The fact that these ideas have only truly prospered in the last decades suggest that something relevant has changed. According to Kagan, that significant event would be that, for the first time in history, the international dominant power has had the means and the will to enforce liberal ideals to the rest of the world. It is not a particularly contested theory that liberalism in the form of Wilson’s 14 points and the League of Nations failed during the 1930’s due to a lack of means to enforce the commitment to international law and the overall system. Appeasement failed terribly. Trust in human nature resulted naïve. In the 30’s the jungle could not be contained. If liberalism survived the Cold War and stands still today, it surely is not because of a drastic transformation of human nature from decades prior, but because of a constant struggle of the United States and allied liberal nations to defend such order.

This idea may not seem too controversial. However, Kagan often paints a very narrow picture of the American role in international affairs. I would argue that the most relevant asset of the US is its deterrent effect in the international community. The mere existence of strong economic, political and military power tied to a firm commitment to the defense of the liberal order has an enormous impact in preventing the jungle from growing back. Kagan, however, focuses excessively in the purely militaristic role of American foreign policy. It is undeniable that war is part of US internationalism and sometimes it is a necessary price to pay. Nonetheless, the scarce mentions of other means of international action such as diplomacy or economic pressures makes Kagan’s argument look excessively bellicose in The Jungle Grows Back.
Along the book, Kagan’s idea of the risks that the world order faces are portrayed as coming from the outside in. The way in which he presents the argument seems to imply that America is in some way safe from any sin other than failing to fulfill its duty to protect international liberalism. For a book published in 2018, The Jungle Grows Back should have taken more seriously the idea that, with liberalism in itself failing domestically, there is not much left to defend overseas. Russia’s return to a belligerent nationalist foreign policy or China’s growing ambitions are worrying prospects. Kagan takes care of pointing that out extensively. However, Trump’s United States is increasingly far from setting an adequate example and it goes far beyond the decision to withdraw troops from the Middle East.

To be fair, Kagan does criticize US foreign policy during the time in which internationalism was the norm, and does so much more harshly than it may seem at first. In the last chapter of the book, “Protecting the Garden”, Kagan reiterates a powerful idea: authoritarianism is not a step in evolution, it is at the very core of human nature, and regression to authoritarianism is far easier than it may seem. From this, Kagan criticizes the American tough stand against communism during the Cold War when it meant the support of worse authoritarian regimes. He states the following: “Authoritarianism has shown itself less susceptible to internal pressures for reform than communism did at the end, and more capable of withstanding the liberal pressures from outside. One reason may be that communism sprang from the same Enlightenment roots as liberalism.” (pp. 146-147) This is criticism of decades of American Foreign policy. Even today, the United States continues supporting authoritarian regimes mainly in the Middle East in the pursuit of short-term objectives hoping they will eventually transform into liberal democracies.

Kagan’s book is written in a very accessible manner. There is a deliberate lack of complex theoretical terms or technicalities. Depending on the reader’s expectations this could be appreciated or disappointing. However, it seems clear that the purpose of The Jungle Grows Back is predominantly informative and designed to reach the broadest public possible. As stated at the beginning of this review, I found the jungle metaphor that frames the book particularly effective. Nonetheless, the book could probably be improved by adding some sort of visual aid in the form of maps or graphics to bring Kagan’s argument down to earth from his occasional subjective or loose thoughts.

I would definitely recommend The Jungle Grows Back to be read by anyone with any interest on the world’s affairs. I find value in challenging myself with conflicting arguments and opinions as a learning process. Kagan’s ideas increasingly serve that challenging purpose in a context in which interventionism/internationalism is more and more misunderstood and vilified.

The Jungle Grows Back: America and Our Imperiled World

Profile Image for Joe.
42 reviews1 follower
October 5, 2023
I’ll preface this by saying that I’m probably not the target audience of “The Jungle Grows Back.” It’s kind of difficult to imagine who this was actually written for. My guess is that it’s for freaks that work for DC-based think tanks and other self-professed defenders of the liberal world order. Robert Kagan seems to be preaching to an ever shrinking choir. I actually began reading this a couple of years ago, at the recommendation from a podcast host, and gave up about halfway through. Not coincidentally, I stopped listening to that podcast awhile ago, but I’m now trying to finish all the books I own that I never got through so I forged ahead.

Kagan’s basic premise is that liberal democracy and capitalism are the greatest ideas in world history. America’s ascendency as the global hegemonic power, though not inevitable, was positive for the world. The US maintained peace and promoted economic and political freedom worldwide throughout the post-war era. Are you laughing too?

It’s amazing that supposed serious intellectuals continue to defend liberal capitalism despite it nearly collapsing several times in the past century. Kagan totes it as preferable to Communism or fascism, but is unable to understand that those ideologies were responses to the inevitable failure of liberalism to solve humanity’s problems. Capitalism reached its peak and has been in its death throes for decades. Like Fukuyama’s book, “The End of History,”
Kagan claims that liberal democratic capitalism is the pinnacle of civilization, though unlike Fukuyama, he acknowledges that liberalism can’t completely defeat the encroachment of “the jungle.” It’s a constant battle that must be waged by America.

Kagan argues that without America playing global judge, jury, and executioner that the “jungle”, a vague term that he uses over and over to describe illiberalism or authoritarianism, will grow back. It was America’s retreat from the world stage the led to the rise of fascism and communism in the 20s and 30s and “Islamism” in the late 20th-century. His language is oddly Kiplingesque—It’s essentially the “American man’s burden” to rule the world.

Kagan loves to repeat the claim that liberal capitalism lifted more people out of poverty in the 20th-century than had ever happened before under previous modes of production. It’s a cliche at this point and one that’s easily refuted. Remove China from the equation and poverty worldwide has grown in the last century.

Ultimately, Kagan comes across as a rather anachronistic figure. He was part of the neoconservative—He repudiates the label, preferring liberal—movement that grew out of the latter half of the Cold War. Along with ghouls like the Kristols and Charles Krauthammer, he promoted American hegemony and liberal internationalism. A New World Order, if you will. If I were going to put on my Alex Jones tinfoil hat, I might call him a globalist.

When the Soviet Union collapsed and the Cold War came to a close and the “end of history” was nigh, these neocons needed a new bogeyman. Even when history ended, life continued. To paraphrase what Marx said in “The Eighteenth Brumaire of Louis Bonaparte,” we’re just living through the farcical events and personages that mimic past tragedies. Thus, “radical Islam” entered the stage. Kagan inadvertently makes the case that the 9/11 attacks were an inside job because it was the thing that gave the US government an excuse to begin large scale military interventions again.

Today he’s probably best remembered for being one of the greatest cheerleaders of the Iraq War. He was calling for an invasion of Iraq during the Clinton administration. As that war dragged on through the mid-‘00s, Kagan became a defender and eventually an apologist for that military quagmire.

He does casually acknowledge that America sometimes makes mistakes like the Vietnam and Iraq Wars or toppling democratically elected governments. But these are necessary mistakes in order to maintain the liberal world order. He conspicuously only mentions how these mistakes affected America. He rarely, if ever, mentions the number of non-Americans who died in these misadventures. He is happy to bring up the deaths caused by Stalin or Mao. Those were caused intentionally by evil dictators he argues. The millions of dead Vietnamese and Iraqis were an unfortunate, yet necessary side effect of America’s foreign policy.

Kagan claims to be a foreign policy expert and historian, but his knowledge of history is equivalent to that of a propagandized high school student. His knowledge of China and Russia is laughable. Continually comparing Putin and Xi Stalin and Mao is a hack trope. He repeats ludicrous claims about the dangers of countries like Iran and North Korea. World events happen discretely and are driven by a clash of ideas, not material conditions or complex socioeconomic systems. “This thing happened and thus America did this and then another country did this.” He skims over decades of history with little nuance or serious examination. The US rose as an empire out of the collapse of the British empire, but there’s no discussion of how that was only possible because of colonial exploitation of North American and later the global south. America became an empire to “protect the seas for trade” and “promote democracy”, Kagan claims, but this is farcical. He comes across as a policy wonk who hasn’t talked to someone that wasn’t a Brookings Institute fellow in decades.

There’s also no attention paid to how the US economy was destroyed by neoliberal policy and out of control military spending that began under Carter and increased under Reagan. Kagan claims this was necessary to contain and defeat the Soviet Union. What the hell is the point of maintaining US hegemony if working people can no longer afford to reap the benefits that came out of the New Deal? Kagan claims that Hillary Clinton’s crowning achievement as Secretary of State was negotiating the Trans Pacific Partnership, yet that collapsed because of its unpopularity. It’s like he doesn’t understand that trade deals like NAFTA were awful for this country. But he just seems to believe the people are too dumb to understand this complex policy!

I could go on criticizing the books points, but it’s not even worth it. I mean, it’s really hard to take this seriously when he cites Steven Pinker and Niall Ferguson with no irony. Kagan is a dinosaur. The Republican Party that he helped shape on the 80s and 90s left him behind. The neocons moved on from the GOP and evolved into the fabled “Never Trumpers.” Now he and his NATO freak wife and guys like Bill Kristol are Democrats. Just avoid this garbage at all costs.
Profile Image for Karen Levi.
Author 6 books7 followers
May 30, 2025
Robert Reich recommended this book after Trump and Musk shut down AID among other overseas government entities. I am not a geopolitical expert, so I cannot comment on all aspects of Robert Kagan’s theory.
I do tend to be in favor of liberal ideology. Mr. Kagan’s theory of a liberal world order, with the U.S.A. as the watchdog, makes sense to me. Overall, liberalism has deterred nuclear war over the last 80 years. Fascism in Germany was defeated; Japan’s aggression abruptly stopped; and Communism fell. The wars in Vietnam, Iraq, and Afghanistan failed; communism, terrorism, and chaos were not curtailed by American involvement. Robert Kagan admitted that a liberal world order does not guarantee against mistakes.
The book was written during the first Trump term. Now, 100 + days into the second term, the world is definitely a scarier place. The liberal world order seems like a very good idea.
The current president is destroying old alliances in Europe and forming new ones with bad actors, namely, authoritarians. Time-honored, effective, and life saving programs around the globe have been abruptly removed. These actions are reminiscent of this country’s isolationism in the 1920’s. That did not go well. Our foreign policy is now controlled by those who would like to see more authoritarian leaders, sectarian states, and tribalism return.
No one knows beforehand if a military or goodwill action will be successful. Certainly the role the U.S. has taken since 1945 was far more humane than what is now being proposed—that we should focus just on our own country to the exclusion of the rest of the world, except when it comes to the billionaires making deals to their advantage with warlords, princes, and despots.
264 reviews12 followers
May 7, 2022
The Jungle Grows Back was published in 2018, but feels prescient in the context of Russia's invasion of Ukraine. In this book, Robert Kagan reminds us that the liberal world order, in which peace is the default and countries resolve their disputes through the use of international institutions, is not the natural state of affairs but one that requires substantial commitment to maintain. The world does not have a natural tendency to become more democratic/peaceful/open-minded over time. Rather, authoritarianism, tribalism, and violent competition are the norm, but people who grew up after WWII tend to forget that. Kagan makes a compelling case for the institutions, however imperfect, that uphold liberalism and for a more active American role abroad. I enjoyed reading it and would highly recommend it to anyone who wonders why the Russian invasion of Ukraine is any of our business.
Profile Image for Brady Turpin.
175 reviews2 followers
December 31, 2023
Kagan makes a strong, if one-sided, argument about how the US needs to step back up to the plate on the world stage. I found many of his arguments and evidence compelling, especially his comparisons to the pre-WWI and WWII world situation. One major weakness to this work is the lack of any sort of alternative explanation to why the West has made the decisions it has. While this would be fine for a long form essay or op-ed, I would expect a book to entail more of such nuances. Regardless, a must read for anyone interested in world politics or diplomacy.
Profile Image for Magwyer Grimes.
27 reviews
July 26, 2023
Long essay format that goes over 20th century history and the establishment of the liberal world order after WW2. Mr. Kagan provides a defense of American foreign policy and more largely underlines the necessity of the role that the USA plays in guaranteeing global security. At times the book becomes slightly too neoconservative (at one point he mentioned the USA needing to spend MORE on the military ?!) but overall provides a well balanced history with critiques of both left and right.
Profile Image for R.
35 reviews13 followers
Read
July 22, 2019
Think America is the main cause of the world's problems? While Kagan admits nobody's perfect he convincingly argues that American primacy has been the main reason we havent returned to the dog eat dog world of pre-1945. A worthwhile read for defenders and critics of American foreign policy, particularly at a time where calls for America to "do less" can be heard on the left and right.
Profile Image for Matt Tucker.
3 reviews
August 18, 2023
Accurate and haunting but most importantly it is a necessary read for modern day foreign policy
Profile Image for Cym.
58 reviews
April 10, 2025
Written in 2018 but is totally about what is happening today with the breakdown of 80 years of post WWII the liberal democratic western world as created and lead by the US
Profile Image for thewanderingjew.
1,760 reviews18 followers
February 27, 2019
The Jungle Grows Back, by Robert Kagan
To agree with the ideas in this book, one first has to accept the premise that liberalism is the reason for the lack of an outbreak of a major conflict for the last 7 decades. I do not believe it was simply geoeconomics vs. geopolitics. I do not believe that the other countries decided America was the kindly “Green Giant”, but rather that it served the political needs of the countries involved, the United States included. The accidental byproduct was a lack of a major violent conflict. Many countries were floundering after the war. They had lost much in human treasure and in value, they had been decimated by battles and the occupation by the enemy. The way forward was uncertain, and it simply played out the way it did because of mutual concerns for survival; there was no real movement to support each country’s need. The spoils of war dominated the playing field of ideology. There were weaker and stronger countries. The weaker ones were in no position to reorganize and fight, as Germany had already done twice before. The European countries were suffering from a lack of almost everything they required, food, shelter, military strength, and the resources to rebuild.
One could just as easily have taken the opposite point of view and proved that it was the values of conservatism, perhaps the idea of charity, of faith in something higher than oneself, that had prevented outbreaks of violence in these same places, and that it was the decline of these same conservative values that has heralded in a time in which peace may come to an end, with many countries returning to their nationalist beliefs and their worship of their leaders rather than in something greater than themselves, even if the view was unscientific. Certainly in more tribal countries, there were violent outbreaks, as in Libya, Somalia and Syria. If it was Liberalism, why were these areas unaffected. The author provides no scientific evidence of his theory, but it makes for a good talking point. American schools and media are controlled by the left, so the prevalent view has been force fed into the public’s diet. The view that liberalism is good and conservatism is bad is learned. The view that the right is fascist and the left is compassionate leaves out the very current history. Where is the mention of the Black Panthers, Antifa, Occupy Wall Street, Pink, and other organizations that promulgate violence in some way or another to contradict the liberal viewpoint? Because it is on the left, it has been purged.
Liberalism, as a way of life is not quite the liberal think of today, but it was credited by the author and other liberal scholars who follow this way of thinking, with keeping the peace we have enjoyed since World War II. For seven decades, there has been a mutual goal to prop each other up, rather than to compete with each other with the end result being winners and losers. The idea that it is the approach the leader takes that is more important, using a silver tongue, like Obama who had the gift of gab, rather than plain speaking Trump, who does not, has been supported. The ultimate goals have taken a back seat so that the plain speaking Trump is demonized although he is proving successful in leveling the playing field for all those who have been forgotten by those with the mastery of political speak. The end results have largely been ignored to promote a process which has failed in some cases. Why has the Middle East not followed suit and remained peaceful? Certainly leaders have used their politically correct speech to try and broker a peace there. Is it because they have not suffered a large enough defeat and been abandoned to fend for themselves? Is it because they do not have faith in something larger than themselves that is judging them, but rather judges the rest of the world and praises their warlike behavior?
The enormous strength of the United States has enabled this atmosphere of peace to prevail because it is said that the weaker countries felt they could rely on us to protect them and guarantee their security. However, what choice did they have in the matter? Was it that we offered police protection or was it simply the byproduct of America’s hubris that they intervened in countries they found were weaker in an attempt to bring democracy to them, whether or not hey wanted it. For 70 years, peace more or less prevailed, and after awhile, was it simply taken for granted as a state of being that would always be? Are we simply being faced with the fact that it was circumstance rather than ideology that prevailed?
Lately, there are factions growing up and gaining support that want the United States to stop being the policeman of the world, to stop providing military assistance when it deems it necessary. They believe that America is overstepping. As the “so-called” liberal world order suffers, and cracks form in its veneer, one can only wonder if it presages a return to violence to settle disputes and usher in more conflict and wars to resolve our differences. Will we continue with the prevailing largely peaceful world, working seemingly together to improve each other’s economies without having a winner or a loser, or will reality set in pointing to the fact that there have been winners and losers with America being the largest winner of that lottery!
Suddenly, there are people clamoring for socialism and abandoning capitalism. They are rejecting the idea of assimilating large numbers of immigrants that want to come to their country because they are discovering they bring their problems with them and often try to recreate the country they left. They are discovering there are huge costs when outsiders do not melt into the existing framework. They refuse to assimilate and continue to maintain their own identities as members of another culture, country and religion. Is the recognition of the reality of the cost a conservative, fascist point of view or simply reality?
Have we ceased to encourage a liberal order to the world? Instead, are we are fostering illiberalism which can cause chaos? Is it a liberal vs. a conservative view or simply a changing world view based on the needs of different realms. Have we grown soft and selfish? Do we want to isolate ourselves and not be bothered with the outside world, or do we want to do it without having a negative effect on our own country and its structure. If we prefer to support our own country first, in addition to supporting others, does that mean we do not want to share the wealth and embrace all people? If we no longer want to be the world’s watchdog, but rather the world’s conscience, if we have expended an effot to rebuild failed economies and those wracked by war for seven decades, is it time to see a reward on our investment?
Large numbers of us do not seem to be aware of the fact that it is liberalism that has nurtured our society into a state of peaceful coexistence. Is that because it is not the sole catalyst and inspiration? It is true that wars have been kept away from our shores. Are the reasons geographical and not ideological? With the evolving tools of war so improved, have we lost our advantage? Will peace remain a constant if we stop being the superman of the world? Will America be able to protect its allies if it continues to weaken its own armed forces and lowering its own defense budget in an effort to prop up our potential enemies? Have they gotten so used to our help that they are like spoiled children chomping at the bit for more. No one ever seems to want equality, though the clamor for it. In the end, they choose superiority and commit the same sins they rally against.
Does liberalism mean that you cannot fight back to gain some better terms for your own existence? Does America have to only be on the giving end and never the receiving end? As China and Russia demand more recognition, as they develop their military and their economy, will America become less relevant, emboldening them to attack our allies, to make a power grab for their own hegemony? Will that loss of the ideals we have called liberalism, usher in a new era of violence? Will war return to Europe, Asia and the United States? Will the Middle East explode together with us, literally and figuratively?
As we withdraw from our position of beneficent power, will weaker nations remember their former desires for greater control and vie for more of a face on the geopolitical stage? Will the breakup of the European Union be a necessary byproduct? Will Brexit foretell doom for what has been a largely peaceful Europe, even as Africa and India/Pakistan and the Middle East explode anew with outbreaks of violence, as tribes war with each other for dominance? As we begin to calculate the cost of our effort to protect others, as we try to make the playing field more level, are we creating gaps in the fabric of our world which will be filled in by the hostile actions of countries that want not necessarily a better economy or better conditions for its citizens but more control and power? Already, some countries are beginning to resent America’s presence and a large contingent of Americans do as well. Partisan politics is on center stage. Jealousy begins to reign over the reality of the results achieved over the last seventy years in so many places. With the advent of technology, everyone can see what they are missing, and they want to have what we have. How can they achieve that goal without conflict, especially if we back away from our position of watchdog?
Kagan is an equal opportunity basher when it comes to Presidents, although he does make Trump out to be the worst villain of all, after he trashes Bill Clinton, George H. W. Bush and Obama, all of whom he believes have dropped the ball, bringing about the weakening of the liberal order that previously existed. Their weakness has opened the door for bad actors to walk through, attempting to restore the world to the state it was in when wars were common and competition rather than cooperation was the rule. After reading the book, one realizes that Obama ushered in a period which allowed the decline of liberalism on a greater scale because he was weak; he did not intervene when necessary, and he always wanted to avoid a fight. If liberalism, with the United States as the policeman of the world, was an effective way to help all and to keep Europe, Asia, the Middle East and the Western world safer, than Obama was unqualified, unfit for the job, and he failed. He had the gift of gab and was able to give a good speech and inspire people to follow him, however, which was his greatest strength. It made him larger than life but reduced America’s profile in the eyes of the world. Liberalism once worked well, but now, it is fraying at the edges and people are clamoring for socialism and abandoning capitalism. They have grown soft, lazy and selfish, and they do not want to be bothered with the needs of the outside world; they believe they can exist alone. Has isolationism made a comeback? The silver tongue of Obama mesmerized the world, but failed to strengthen it. As the watchdogs of the world, we may have kept wars away from our shores, but without a strong military, can it continue? Will peace prevail if we drop the mantle of responsibility for the rest of the world? But have we protected all equally? How have the enemies and friends been chosen?
We have ceased to elect diplomatic Presidents. We have disregarded character in favor of charisma. We now have an entire population that believes they are capable of being President, regardless of the skills required. Obama, a weak, but highly revered President, let go of the reins that provided protection for the balance of power in the world. He drew red lines and never followed up. He made threats but didn’t follow through. He hoped that by attrition he could avoid conflict. He allowed public opinion to rule and provided poor leadership. He ushered in an era of partisanship which has only grown worse and Trump neither has the gift of gab or the diplomatic personality to reverse the trend, rather he exacerbates it with his acid tongue and tweets. Often his behavior overshadows his accomplishments. A complicit media, supporting liberals, ignores his strengths and stresses his weaknesses, giving fodder to the discontented of the world.
So what is the preference America, war or peace, strength or weakness, compassion or selfishness, greed or generosity, silver tongue or acid tongue? Is it better to have the gift of gab that smoothes ruffled feathers but accomplishes nothing or the uncultured tongue that steps on toes, but gains benefits and a fairer playing field for America and the rest of the world. If America has been abused in its attempt to benefit the rest of the world, must that policeman personality be a condition which remains forever or can negotiations to even the playing field take place? Why would negotiations be termed as winning rather than bargaining? Why not emphasize the benefits of a different approach, instead of the negatives? Why not present a more positive picture of America to the world, instead of propping up liberalism which appears to have run its course. To continue to remain at peace, America has to be viewed as a strong partner, not one constantly faced with the chaotic scenes now presented by the left and the media. They obstruct for their own personal hegemony! Isn’t that the problem that causes unrest? Can no one see the forest for the trees?
The author has presented his theory about the existence of a largely peaceful world for the past seven decades. There are many liberal scholars who agree with his synopsis. Although he attempted to present a fair and non partisan presentation of his ideas, it was obvious from his bio and employment history that he identifies with the left. Therefore, the book sings the praises of liberalism and fairly soundly trashes the ideals of conservatives, identifying them even as fascists. Does this largely one-sided view, albeit subtly presented, in which Kagan believes that the world was better off after 1945 because countries were working toward a common goal and not for themselves alone, which he identifies with liberals who do not want to gain more power on the geopolitical stage, but rather want to foster the economies of all countries, hold water? Does he ignore the reality we are now faced with, that I believe was simply that circumstances were ripe for and responsible for that rising tide that was intended to lift all ships rather than a liberal world order? Did it lift all ships equally? NO! So is that liberalism? Have we encouraged the large differences between the haves and the have nots, that have only grown wider in our attempt to control the idea of a more democratic world? Have we played G-d in our attempt to foster its creation? Are these not the reasons for the current indifference to America’s power? Are we now viewed, not only because of media presentation, but because of results, as the evil Goliath trying to destroy David?

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