On December 7", 1941, Pearl Harbor, an American Naval base in the Pacific Ocean, was attacked by Japanese planes, causing the United States to enter the war the next day. Nineteen ships and about 200 planes were destroyed or seriously damaged in the attack.
Mark the correct alternative to complete the sentences below so that the questions are correct and can be answered based on the text above.
I - ___________ planes were destroyed or damaged in the attack?
II - ____________ was PearI Harbor attacked by?
III - ____________ caused the US to enter the war?
IV - ____________ did japanese planes attack Pearl Harbor?