The main reason the attack at pearl harbor was so damaging is because at the time of the attack a) most of the united state's navy ships were at the harbor. b) important members of the military were visiting the harbor. c) the congress tried to hold negotiations with the german government. d) president roosevelt would not change america’s isolationist policies.

The Answers for this question is A since most the fleet was in port but the Japanese did not know the aircraft carriers were not there.

The MAIN reason the attack at Pearl Harbor was so damaging is because at the time of the attack A)most of the United State's navy ships were at the harbor. B) important members of the military were visiting the harbor. C)the Congress tried to hold negotiations with the German government. D)President Roosevelt would not change America’s isolationist policies.

The Correct Answer Is:
A)most of the United State's navy ships were at the harbor.

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-Nullgaming650