The peacekeeping failed because help me out ?

Which fact would this be, and how might you verify the truth?

Match each model with its name and the name of the scientist who created it.

What was one major difference between benito mussolini and adolph hitler? o a. hitler was more willing to use violence to secure power than mussolini. o b. hitler made racism central to his political ideology earlier than mussolini. o c. hitler was more supportive of communism and socialism than mussolini. o d. hitler followed the philosophy of militarism more strictly than mussolini.