This PowerPoint presentation examines the presidency of Harry S. Truman, focusing on America's growing concern about communism. It begins by examining foreign policy issues regarding the spread of communism in Europe and Asia. It starts with a brief assessment of the formation of the Iron Curtain and quickly moves to cover the policy of containment and the resulting Truman Doctrine. It continues to focus on Europe by looking at the Marshall Plan, the Berlin Airlift, and America's involvement in NATO. It also briefly covers the National Security act including the formation of the Department of Defense the NSC and the CIA. The focus then shifts to Asia and the "fall" of China to the communists. A brief background on Mao Zedong and Chaing Kai Shek is provided. Domestic affairs are focused on next with an examination of HUAC, the Rosenbergs, and the 1948 presidential election. The presentation wraps up with the beginning of the Korean Conflict and Truman's firing of Douglas MacArthur. This presentation is used in an AP United States history course and is based in part on Chapter 36 of The American Pageant, 14th edition.