Check the first paragraph in this site.
http://en.wikipedia.org/wiki/Assassination_in_Sarajevo
Why was Archuke Francis Ferdinand assassinated ?
5 answers
how did Austria-Hungary react to Archduke Francis Ferdinand assassinated?
Did you read that article that Ms. Sue posted? Scroll down until you find the section called Aftermath.
How did Austria-Hungary react to Ferdinand assassinated? they declard war on Serbia.
would this be the answer
would this be the answer
Right.