How did the alliance system in Europe contribute to the start of World War I?
Responses
A The alliance system helped nations secure their national treasuries.The alliance system helped nations secure their national treasuries.
B The alliance system was a failed attempt at diplomacy to keep the peace.The alliance system was a failed attempt at diplomacy to keep the peace.
C The alliance system forced great nations to go to war when their allies did.The alliance system forced great nations to go to war when their allies did.
D The alliance system kept nations divided politically promoting hostility.