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Second Sino-Japanese War (1937-1941)
Conflict between Japan and China intensifying Japanese control over Chinese territories and straining relations with Western powers.
Lytton Report
League of Nations' condemnation of Japan's aggression in Manchuria, highlighting the limitations of collective security and Japan's subsequent withdrawal from the League in 1933.
Second United Front
Alliance between Chinese Nationalists and Communists in response to Japanese aggression, playing a crucial role in mobilizing Chinese resistance during the Second Sino-Japanese War.
Washington Naval Conference (1921-1922)
Conference addressing naval disarmament and peace in the Pacific, resulting in the Washington Naval Treaty to limit naval armaments.