9. Once the first declaration of war was made and the alliance system began to kick in, what other countries became

involved?

Question

Social Studies

Kaitlin Lindsey

20 May, 10:49

9. Once the first declaration of war was made and the alliance system began to kick in, what other countries became

involved?

+3

Answers (1)

Know the Answer?

Ariana Hooper · Answer 1

Austria-Hungary made first declaration of war against Serbia. An alliance system called the allied powers started to kick in United States, China, Soviet Union, France, Great Britain.

Explanation:

Because of assassination of the Austrian Prince Francis Ferdinand and his wife Sophia on June 28, 1914.

9. Once the first declaration of war was made and the alliance system began to kick in, what other countries becameinvolved?

9. Once the first declaration of war was made and the alliance system began to kick in, what other countries became

involved?