Answer:
The Japanese Attack on Pearl Harbor.
Japanese Control of China and Asia.
Germany's Aggression and Unrestricted Submarine Warfare Sinking U.S. Ships.
Fear of German Expansion and Invasion.
Lasting six years and one day, the Second World War started on 1 September 1939 with Hitler's invasion of Poland and ended with the Japanese surrender on 2 September 1945.
Explanation:
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