The correct answer is C) Japanese bombing of the U.S. nava, base at Pearl Harbor.
The event that shocked the United States from its non-interventionist foreign policy and directly involved it in World War II was the Japanese bombing of the U.S. naval, base at Pearl Harbor.
On December 7, 1941, the Japanese Army attacked the U.S. naval base located at Pearl Harbor island in Hawaii. The Japanese air-raid hit 20 naval ships and destroyed 300 planes. Almost 2,400 people died and 1,000 were wounded. This war incident shocked the United States from its non-interventionist foreign policy and directly involved it in World War II.
