Please help me I need to turn this in before 10 to get the credit I'm already failing, please

What could have been done to stop the illegal voting? what about the violence?

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.

Under the new imperialism europe did not need large numbers of people to control territories because of