Answer:
So it was basically to prevent him from accomplishing his planned reforms, which I guess would restrict their independence?
Step-by-step explanation:
Gavrilo Princip was a member of the Black Hand. They didn't want to be part of the Austro-Hungarian empire or pay taxes to them. Princip had tuberculosis and knew he was going to pass soon. He did what he did to the Archduke as a final act of "patriotism" believing he would not live long enough to receive punishment.