Answer:
1. M.A.I.N. = Mania, Animosity, Idolatry and Nuance
2. Idolatry was a main cause of Worl War One because people put their leader above all others priot to the war. BAsically saying my dad can beat up your dad but on a much larger scale.
3. Nuance - Since all of the countries in europe spoke different languages, people in the different countries could not understand what each ther was saying. It's like reading a text from your BFF, you think they are mad but in reality they aren't. It's all in the interpretation of what they are saying
Explanation:
I would say the Jim Crow laws
Monarchy, political system based upon the undivided sovereignty or rule of a single person. The term applies to states in which supreme authority is vested in the monarch, an individual ruler who functions as the head of state and who achieves his or her position through heredity.