give more details, and ill answer it...
Answer:
Benito Mussolini was an extremely influential figure in Europe in the 1930s. Many argue that Mussolini was responsible for the downfall and eventual failure of the League of Nations. Mussolini wanted to regain the Roman Empire to it's former glory, and initiated his nationalistic plan with the invasion of Abyssinia in 1935.
Because back In the day there was slavery and they thought that should still be a thing so they started killing and torturing black!?!?
Answer:
It arises primarily from a clash of interests within groups and societies and between groups and societies. Conflicts also ensue as a result of the difference between the rate of change in the moral norms of a society and men's desire, hopes, dissatisfactions and demands.
Explanation:
D.new theories reflected changes that were happening in society at large