WORLD HISTORY

Detailed explanation-1: -On December 7, 1941, Japan staged a surprise attack on Pearl Harbor, decimating the US Pacific Fleet. When Germany and Italy declared war on the United States days later, America found itself in a global war.

Detailed explanation-2: -Therefore they were stunned when the unthinkable happened and Japanese planes bombed the U.S. fleet at Pearl Harbor on December 7, 1941. The following day, the United States declared war on Japan, and it soon entered into a military alliance with China.

Detailed explanation-3: -On December 7, 1941, following the Japanese bombing of Pearl Harbor, the United States declared war on Japan. Three days later, after Germany and Italy declared war on it, the United States became fully engaged in the Second World War.

Detailed explanation-4: -Did the Pearl Harbor attack signal the beginning of World War II for the United States? The Japanese attack on Pearl Harbor marked the beginning of the Pacific war for the U.S., but it did not necessarily mean that the U.S. had become a combatant in the war in Europe.