At the end of WW2, the US needed all the allies it could get against the USSR. They were the real winners of the conflict, the red army was considered unstoppab

At the end of WW2, the US needed all the allies it could get against the USSR. They were the real winners of the conflict, the red army was considered unstoppable and Stalin controlled everything from the sea of Japan to (well past) the middle of Germany. The assumption was that if Russia didn't stop when they met the Western allies' lines they would have taken mainland Europe within a few weeks. It was a crazy time.