The three similarities that exist based on the Nazi rule in Germany and the authoritarian ultranationalist in japan are:
This was a Germany that had Adolf Hitler as its leader. The Nazi Germany was one that the leader killed a lot of Jews.
Imperialist Japan on the other hand was an authoritarian government that killed a lot of people in Japan. It also took the lands of a lot of countries.
Read more on Imperialist Japan here:https://brainly.com/question/489835