How did the conflict between Serbia and Austria-Hungary after the assassination attempt lead to all of Europe fighting?
O A. Alliances caused more and more countries to join the war
O
B. Germany just wanted to start a war with France at the same time
o
C. Russia just wanted to start a war with Germany at the same time
о
D. France just wanted to start a war with Germany at the same time

Respuesta :

Answer:

A  - Alliances caused more and more countries to join the war

Explanation:

https://alphahistory.com/worldwar1/alliances/

To sum it up, Germany and Austria-Hungary where allies. There alliance was called the Central Powers. Serbia was a friend of Russia, so when Austria-Hungary invaded, Russia joined the war against the Central Powers. Russia was allied to France. Germany wanted to take out France fast and then focus on Russia. They went around the French border and invade Belgium. Belgium independence was guaranteed by the United Kingdom thus pulling them in the war.