You've probably been born after the Cold War, but just to put things into perspective, the Soviet Union had half a million troops and dozens of tank divisions a

You've probably been born after the Cold War, but just to put things into perspective, the Soviet Union had half a million troops and dozens of tank divisions already stationed in East Germany, they wouldn't have to fight their way through Poland. And it probably wasn't all that different in the other countries along the Iron Curtain.