The military industry that prospered during World War II grew into what President Eisenhower called the Military–Industrial Complex—an enormous conglomerate of industries that was powerful enough to demand ever more funding from the government, and drive U.S. foreign policy toward an endless series of expensive conflicts with no rational end goal or clear objective. The doctrine of violent militant Keynesianism claimed this spending would be good for the economy, which made the millions of lives it destroyed easier to stomach for the American electorate.
