

Japan intended the attack as a preventive action.

demand that Japan withdraw from China and French Indochina. Anticipating a negative response from the US, Japan sent out its naval attack groups in November 1941 just prior to receiving the Hull note-the U.S. end its sanctions against Japan, cease aiding China in the Second Sino-Japanese war, and allow Japan to access the resources of the Dutch East Indies. and Japan over the future of the Pacific. The attack was preceded by months of negotiations between the U.S.

The Japanese military leadership referred to the attack as the Hawaii Operation and Operation AI, and as Operation Z during its planning. The United States was a neutral country at the time the attack led to its formal entry into World War II on the side of the Allies the next day. (local time) on Sunday, December 7, 1941. naval base at Pearl Harbor in Honolulu, Hawaii, just before 8:00 a.m. The attack on Pearl Harbor was a surprise military strike by the Imperial Japanese Navy Air Service upon the United States against the U.S.
