The reason the US entered war world 2 was that Japan had destroyed the USA's base at Pearl Harbor in Hawaii.
The US entered World War II because the Japanese military bombed the US military base in Pearl Harbor, Hawaii on December 7, 1941. The attacks killed 2,403 Americans and wounded almost 1,200 more.
Type your answer here... Where was the Post World War2 conference held?
Franklin Delano Roosevelt
yes................
Franklin D. Roosevelt
Japan, Germany, Italy.
Great Britain
President Eisenhower was a General in WWII.
· Patton, George (US General) · Pearl Harbor
The U.S. became involved after the bombing of Pearl Harbor.
US joined WW2 on December 8th 1941, the day after the American war base; Pearl Harbour was bombed by the Japanese.