USA HISTORY

Detailed explanation-1: -Pearl Harbor attack, (December 7, 1941), surprise aerial attack on the U.S. naval base at Pearl Harbor on Oahu Island, Hawaii, by the Japanese that precipitated the entry of the United States into World War II. The strike climaxed a decade of worsening relations between the United States and Japan.

Detailed explanation-2: -The Japanese intended the attack as a preventive action to keep the United States Pacific Fleet from interfering with its planned military actions in Southeast Asia against overseas territories of the United Kingdom, the Netherlands, and the United States.

Detailed explanation-3: -On December 7, 1941, the Japanese military launched a surprise attack on the United States Naval Base at Pearl Harbor, Hawaii. Since early 1941 the U.S. had been supplying Great Britain in its fight against the Nazis. It had also been pressuring Japan to halt its military expansion in Asia and the Pacific.

Detailed explanation-4: -The Japanese attack force-which included six aircraft carriers and 420 planes-sailed from Hitokappu Bay in the Kurile Islands, on a 3, 500 mile voyage to a staging area 230 miles off the Hawaiian island of Oahu.