Answer:
a) Germany
Step-by-step explanation:
World War II was fought between two sides. They were formed by the Allied Powers, which major members were: Great Britain, Fance, the Soviet Union, the U.S. and China; and the Axis Powers formed by: Germany, Italy, and Japan. In the beggining in 1936, Germany and Italy had a series of agreements that lead to the proclamation of an "axis" which binded Rome and Berlin. Later that same year, Germany and Japan signed the "Anti-Comintern Pact", which purpose was to oppose the Soviet Union.
This Axis characterized for commiting hostile acts of expansionism.