"The collapse of Nazi Germany has created a large power vacuum in the middle of Europe that needed to be filled. The former allies presented themselves in the following manner: The United States with its new president Harry S. Truman wanted to preserve the alliance but didn’t succeed; Stalin’s Soviet Union wanted to be remunerated for the Russian suffering in the war with territorial coin, while Churchill’s Great Britain wanted the prevention of a Soviet controlled Central Europe1."
It's in a .pdf format found here