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Stimson Doctrine declared (U.S. nonrecognition of Manchukuo)

Secretary of State Henry L. Stimson issued a note declaring that the United States would not recognize territorial changes executed by force, specifically refusing to recognize Japan's puppet state Manchukuo in Manchuria.

Stimson Doctrine declared (U.S. nonrecognition of Manchukuo)

The Stimson Doctrine established a diplomatic precedent rejecting recognition of territorial acquisitions by aggression and signaled U.S. protest against Japanese expansion in East Asia.

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