Question

How did alliances in Europe contribute to the start of WWI?

A. Nations were required to go to war when their allies did
B. Alliances made nations hostile and angry with each other
C. Alliances were meant to secure the national treasury
D.The alliance system did not promote peace

Answer 1

I would say a is the best answer. Hope this helps !

Answer 2

D.The alliance system did not promote peace

Step-by-step explanation: