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Japan angered at Washington conference
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Japan invades Manchuria
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Japan attacks China; Roosevelt authorizes sale of weapons to China
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Roosevelt blocks sale of airplane fuel to Japan; Japan becomes an ally of Nazi Germany and Fascist Italy
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Japanese in position to attack British Empire in the Far East; Roosevelt reduces the amount of oil shipped to Japan and sends General MacArthur to the Philippines to build up U.S. defenses; Japan attacks Pearl Harbor