Answer:
Italy, Germany, and Japan
Step-by-step explanation:
During WWII the US was a part of the Allies, that was a group that fought the Axis. The Axis was a group formed by a series of dictatorships - Germany, Italy, and Japan - During that period, Germany was in a dictatorship led by Adolf Hitler, Italy was in a dictatorship led by Benito Mussolini and Japan was in a dictatorship led by Emperor Hirohito.