Please help me, last question for the day

Explain how the reformation led to political conflict and warfare during the 1500s. no copying 15pts

Following archduke franz ferdinand's assassination, austro-hungarian leaders: a. aided the ottoman empire in its campaign to keep serbia under its control. b. executed nearly all prominent serbs living in austria-hungary c. threatened to invade serbia if serb leaders did not agree to a set of strict demands. d.. formed an alliance with great britain to protect austria-hungary from future attacks.

Using the pictures and text for reference describe what had to be done to create the central park today