Respuesta :

The ruler of Germany in world war 1 was Wilhelm II, although it should be noted that many of the people responsible for bringing Germany into World War I were not part of his political machine. 
Tony0804

Answer:Japan, Germany, Russia, Turkey, Serbia, Austria-Hungery,Cananda, France, United Kindom , Austraillia, Aferica.

Explanation:

The war was fought inside every fronts of the World so that how it name is quiffiled for the name "World War" It was mostly between the Centeral Power Manily: Germany, Austria-Hunger , Turkey VS Triple Entente: France, Serbia, Russia they war was fought because Serbia killed Austria-Hungery King   Ferdinand.