Question

What was a significant effect of the Japanese attack on Pearl Harbor?

A. It encouraged Hitler to move against France
B. It insured the re-election of Franklin Delano Roosevelt
C. It redirected supplies to the active European front
D. It insured the United States' entry into World War II

Answer 1

The Japanese attack on Pearl Harbor insured the United States' entry into World War II.

Step-by-step explanation:

The significant effect of the Japanese attack on Pearl Harbor was that it insured the United States' entry into World War II. The attack on Pearl Harbor on December 7, 1941, prompted the United States to declare war on Japan the following day. This event was a turning point for the United States, as it brought them into the global conflict.