Question

Why was the Pearl Harbor attack such a shock to the U.S.?

Answer 1

Because the US was originally neutral in the war.

Step-by-step explanation:

Answer 2

Some of their beliefs were due to racial prejudice against Japanese and Chinese people. A few Americans tried to tell the President and Congress that the Japanese had the capability to attack Hawaii and the mainland of the U.S., but these people were ignored until Dec. 7, 1941. That is why the attack was such a shock.