Question

What events led to the attack at Pearl Harbor?

Answer 1

A series of events led to the attack on Pearl Harbor. War between Japan and the United States had been a possibility that each nation's military forces planned for in the 1920s, though real tension did not begin until the 1931 invasion of Manchuria by Japan

Answer 2

The U.S. Was Trying to Stop Japan's Global Expansion

In September 1940, Japan signed the Tripartite Pact with Germany and Italy, the two fascist regimes then at war with the Allies. Tokyo and Washington negotiated for months leading up to the Pearl Harbor attack, without success