WORLD HISTORY

Detailed explanation-1: -The British government declared war on Japan immediately after learning that their territory had also been attacked, while the following day (December 8) the United States Congress declared war on Japan.

Detailed explanation-2: -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-3: -On this date, President Franklin Delano Roosevelt, addressing the nation in a Joint Session in the House Chamber, asked Congress to declare war against Japan in response to the surprise attack against American naval facilities in and around Pearl Harbor, Hawaii, a day earlier.

Detailed explanation-4: -On December 8, 1941, the United States Congress declared war ( Pub. L. 77–328, 55 Stat. 795) on the Empire of Japan in response to its surprise attack on Pearl Harbor and subsequent declaration of war the prior day.

Detailed explanation-5: -Following the Pearl Harbor attack, however, a wave of antiJapanese suspicion and fear led the Roosevelt administration to adopt a drastic policy toward these residents, alien and citizen alike. Virtually all Japanese Americans were forced to leave their homes and property and live in camps for most of the war.