When Winston Churchill learned in 1945 that the Americans were about to stop their march on Berlin and leave Nazi capital to the communists, he was furious. The US had made a commitment not to let post-war Europe be divided into areas of political influence. Now this was exactly what was happening. Situation was worsening by the day as Stalin's Red Army invaded the countries, making them satellites of Moscow, in spite of Yalta agreement, made only weeks earlier. Within days of Nazi Germany's collapse Churchill asked the military planners to examine ways to impose upon Russia the will of US and UK - with "the use of German manpower and what remains of German industrial capacity."
Operation unthinkable: How Churchill wanted to recruit defeated Nazi troops and drive Russia out of Eastern Europe | Mail Online