What was the meaning of a multifront war for the United States during World War II?

Question

Responses
A Americans were fighting on both a European Front and a Russian Front.Americans were fighting on both a European Front and a Russian Front.
B Americans were fighting on both a Pacific Front and an African Front.Americans were fighting on both a Pacific Front and an African Front.
C Americans were fighting on both a Pacific Front and a European Front.Americans were fighting on both a Pacific Front and a European Front.
D Americans were fighting on both a European Front and an African Front.

Answer 1

The correct response is:

C Americans were fighting on both a Pacific Front and a European Front.

During World War II, the United States was engaged in significant military operations in both the Pacific Theater against Japan and the European Theater against Nazi Germany.