Please answer number 3

What event most likely had the biggest impact on german citizens on the home front?

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.

What is the impact of enlightenment ideals on the development of economic, political, and religious structures in the western world?