The industrial base of Japan and most of continental Europe was destroyed in strategic bombing campaigns or captured by the Soviets after WWII. Nazi scientists

The industrial base of Japan and most of continental Europe was destroyed in strategic bombing campaigns or captured by the Soviets after WWII. Nazi scientists: http://en.wikipedia.org/wiki/Operation_paperclip http://en.wikipedia.org/wiki/Operation_paperclip Global superpower is the USSR Income tax: http://en.wikipedia.org/wiki/File:MarginalIncomeTax.svg http://en.wikipedia.org/wiki/File:MarginalIncomeTax.svg