ussia and China head an alliance that poses the first direct challenge to the American empire since its inception at the end of World War II. Their strategy has been to follow Napoleon's advice—not interrupting the U.S. government while it makes mistake after mistake—and to pursue the opposite of its hapless policies. Their power waxes; American power wanes.

August 29, 1949, the day the Soviets detonated their first atomic weapon, was the beginning of the end of the American empire. The U.S. government's unrivaled power lasted four years and 23 days, from when it dropped an atomic bomb on Hiroshima. The Soviet bomb gave the world a counterweight to an American nuclear monopoly.

It is unclear if the Cold War was anything but a giant psyop on the part of the U.S. and the Soviet Union. By 1960 they had enough bombs between them to wipe out the planet, John F. Kennedy's "missile gap" notwithstanding. This left a world where sane people believed that military conflicts had to be nonnuclear.