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.
Explanation:
Misunderstandings. Conflict can arise from misunderstandings about:
Poor communication. ...
Lack of planning. ...
Poor staff selection. ...
Frustration, stress and burnout.
So basically all of those :P