USA HISTORY

Detailed explanation-1: -The Japanese decided then that they had to blunt that U.S response by attacking the U.S Pacific Fleet at anchor Pearl Harbor in Hawaii. By attacking Pearl Harbor Japan believes that it can severely cripple the U.S fleet and buy them time in the Pacific and Southeast Asia.

Detailed explanation-2: -President Roosevelt moved the US Pacific Fleet from California to Pearl Harbor in 1939. This move was a threat to Japan, who wanted to expand in the Pacific. Military leaders and politicians saw a war between the U.S. and Japan as inevitable, with the solution being to attack first. Japan did just that.

Detailed explanation-3: -But the neutral USA entered World War II only after many months of argument in Congress and among the general public, and only when a Japanese fleet launched a big surprise air raid against its Pacific naval base at Pearl Harbor in Hawaii on 7 December 1941.

Detailed explanation-4: -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-5: -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.