The person who assassinated the archduke of Asturia -Hungary was Serbian and Asturia decided to declare war on Serbia . Serbia was allied with Russia and Asturia was allied with Germany and so Germany attacked into Russia .
AH asks Germany if they'll defend them, Germany says yes thinking it won't have to deliver on that promise
AH Forces Serbia into war, Russia hops in to defend Serbia
Germany, following through on it's promise, also declares war on Serbia.
Russia assures Germany that it's only mobilizing on AH
France is allies with Russia, but doesn't join the war.
Germany get's paranoid that both France and Russia will invade it since Germany boarders them both, decides to go to war with both of them just in case.
<h2>Subcommittee. A committee that is a subset of a larger committee is called a subcommittee. Committees that have a large workload may form subcommittees to further divide the work. Subcommittees report to the parent committee and not to the general assembly.</h2>
When the Germans heard about the Treaty of Versailles, they felt 'pain and anger'. They felt it was unfair. They had not been allowed to take part in the talks – they had just been told to sign.