1.What were the causes of World War I?

2.Why was it such a terribly destructive war?

3.What led to the rise of the Bolsheviks and revolution in Russia?

Respuesta :

1. The assanation of Archduke Franz Ferdinand

2. Because new weapons such as Bombers, Gas poisons, and new types of bombs.

Thats is all i know. Hoped this helped :)