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- Japan--Foreign relations--1912-1945 (6)
- World War, 1939-1945--Causes (4)
- World War, 1939-1945--Diplomatic history (3)
- Japan--Foreign relations--United States (2)
- United States--Foreign relations--1933-1945 (2)
- United States--Foreign relations--Japan (2)
- Germany--Foreign relations--United States (1)
- Hitler, Adolf, 1889-1945 (1)
- Hull, Cordell, 1871-1955 (1)
- Japan--Foreign relations--1868-1912 (1)
- United States--Foreign relations--Germany (1)
- World War, 1914-1918--Diplomatic history (1)
- World War, 1914-1918--Japan (1)
- World War, 1939-1945--Asia (1)
- World War, 1939-1945--Pacific Area (1)