After attacking the US at Pearl Harbor, Japan decided to

A) retreat to its homeland.

B) stop to regroup at its homeland.

C) continue to expand in the Pacific.

D) join the Axis powers

After the Japanese attacked Pearl Harbor, they continued to expand their territory in the Pacific. (C) Specifically, European and American colonies in the region were conquered. Japanese took Hong Kong, Burma, Malaya and the Philipines. The war would later extend to this area.