dalawang daigdig ng pagsiklab ng unang digmaang pandaigdig.
1._______________________________________________________________________________________________________________________
2._______________________________________________________________________________________________​


Sagot :

Answer:

Militarism, Alliances, Imperialism and Nationalism

Explanation:

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.