USA HISTORY

Detailed explanation-1: -On December 7, 1941, a date that President Franklin D. Roosevelt claimed would “live in infamy, ” the Imperial Japanese Navy conducted a surprise aerial assault on Pearl Harbor. This unprovoked attack brought the United States into World War II, as it immediately declared war on Japan.

Detailed explanation-2: -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-3: -On December 11, Germany and Italy, allied with Japan, declared war on the U.S. The United States had entered World War II. Japanese Admiral Isoroku Yamamoto conceived the Pearl Harbor attack and Captain Minoru Genda planned it. Two things inspired Yamamoto’s Pearl Harbor idea: a prophetic book and a historic attack.

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: -The Japanese attack on Pearl Harbor on December 7, 1941, ended the debate over American intervention in both the Pacific and European theaters of World War II. The day after the attack, Congress declared war on Imperial Japan with only a single dissenting vote.