There is no convincing evidence for this argument. The Soviet Union was deeply engaged in its war against Nazi Germany until the very bitter end, and fully mobi

There is no convincing evidence for this argument. The Soviet Union was deeply engaged in its war against Nazi Germany until the very bitter end, and fully mobilized in that direction. Beyond that, America provided immense quantities of aid to the Soviet Union in the form of Lend-Lease, including military hardware. Some would argue that this was profoundly short-sighted given the realpolitik of Stalin's approach to the war, with an eye on what the Soviet Union would do in the conquered territories of Eastern Europe after the war (as a realization of tsarist fantasies going back a hundred years or more). But the fact is that--while every decision has various complicating factors related to political and institutional concerns--America's primary focus was on ending the war as quickly as possible with an unconditional surrender.