The United States became involved in World War Il primarily because of events in
Asia.
Europe.
the Pacific
North Africa.

answer:

Global in scale and in its repercussions, World War II created a new world at home and abroad. ... Although the war began with Nazi Germany's attack on Poland in September 1939, the United States did not enter the war until after the Japanese bombed the American fleet in Pearl Harbor, Hawaii, on December 7, 1941.

Explanation:

health and medicine because people are dying from not being healthy or not strong enough medicine

the anwser is missions