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- World War, 1939-1945--Diplomatic history (2)
- Cold War (1)
- Munich Four-Power Agreement (1938) (1)
- Nuclear warfare--United States--History--20th century (1)
- Truman, Harry S., 1884-1972 (1)
- United States--Foreign relations--1945-1953 (1)
- World War, 1939-1945--Causes (1)
- World War, 1939-1945--United States (1)