How did the US become aware of Japanese plans and how did it affect peace talks between the 2 countries?

The Pearl Harbor advance-knowledge conspiracy theory is the argument that U.S. Government officials had advance knowledge of Japan's December 7, 1941, attack on Pearl Harbor. Ever since the Japanese attack, there has been debate as to how and why the United States had been caught off guard, and how much and when American officials knew of Japanese plans for an attack.

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shang dynasty

western zhou (ca. 1046-771 bce)

eastern zhou (ca. 771-256 bce)

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