The document discusses the expansion of Soviet control in Eastern Europe following World War 2 and the policies put in place by the United States to contain the spread of Soviet influence. It describes how Stalin broke agreements on allowing free elections in conquered countries and instead installed communist governments. In response, Truman announced the Truman Doctrine to provide aid to Turkey and Greece to block Soviet expansion. This was followed by the Marshall Plan, which provided billions in aid to help rebuild European economies and infrastructure devastated by war to prevent the spread of communist ideology.

8. The Iron Curtain