Answer:The war started mainly because of four aspects: Militarism, Alliances, Imperialism and Nationalism. ... The overall cause of World War was the assassination of Archduke Franz Ferdinand. Nationalism was a great cause of World War one because of countries being greedy and not negotiating.
I learned about this last unit and if I have it correct, Mao wanted to get the peasants to side with him to defeat the Japanese invaders, so the communists gave benefits to the peasants
