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St. Martin: Iron Curtain 1945 1947
This article discusses the development of the Soviet Union's Communist buffer zone after World War II and its evolution into the Iron Curtain of the Cold War.
National Archives (UK)
National Archives Uk: Cold War Soviet Policy 1945 1948
This site examines Joseph Stalin's role in the development of the Cold War and his culpability. Links to worksheets, timelines, and primary source documents are provided.