Answer: Pearl Harbor was bombed by the Japanese.
Explanation: December 7, 1941 is the date when the Japanese aviation units suddenly attacked the American port in the Pacific, Perl Harbor. It was the immediate cause of the United States entering the Second World War. The target of the attack was the destruction of the American fleet and the prevention of their interference with the Japanese operations in the Pacific. In this attack, more than two thousand people were killed, marines, small number of civilians and navy personnel.