From my study of Chinese dynasties and European empires, I’ve learned that the financial strength to outspend one’s rivals is one of the most important strengths a country can have. That is how the United States beat the Soviet Union in the Cold War. Spend enough money in the right ways, and you don’t have to have a shooting war. Long-term success depends on sustaining both the “guns” and the “butter” without producing the excesses that lead to their declines. In other words, a country must be strong enough financially to give its people both a good living standard and protection from outside
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