Help please it’s a test need correct

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.

1.     in what kind of government does a small group have a firm control over a country?  

What were some of the ideas that the democratic party emphasized that allowed them to appeal to most white voters?