According to the interpretation, one cause of world war i was that

 don't know which interpretation you mean! But maybe it will help if I will name some causes of the WW1: imperialism in Europe and conflicts of power between the most powerful countries, Big powers facing nationalism of minorities in their countries and wanting to assert their power and the execution of Franz Ferdinand.

Estúpido vas a la escuela y no te olvides de tomarte una cerveza.