Answer:
The war started mainly because of four aspects: Militarism, Alliances, Imperialism and Nationalism. This is because big armies become potential threats to other countries, other countries started forcing alliances in order to secure land. The overall cause of World War was the assassination of Archduke Franz Ferdinand.
Explanation:
It depends this is a question that has to do with nature vs nurture. Nature meaning genes are the explanation to a persons behavior and it’s passed on from parents and nurture meaning the environment shapes the person to be the way they are