Question

What event shook the United States from its non-interventionist foreign policy and directly involved it in World War II?

a
Japanese aggression in China and Southeast Asia
b
The destruction caused during the Battle of Britain
c
The death of President Roosevelt and the elevation of Truman
d
Japanese bombing of the U.S. naval base at Pearl Harbor

Answer 1

d

The Japanese surprise attack on Pearl Harbor (December 7, 1941) destroyed much of the U.S. Pacific Fleet and prompted Congress to declare war on Japan the next day, directly ending U.S. non‑interventionism and bringing the country into World War II.