Please help P. S ill give brilliant to correct answer

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.

Which south american patriot of lrish descent became the leader of newly independent chile

What did this mean for dred scott? a. scott was not a citizen of the united states. b. scott was the property of the federal government. c. scott had no right to sue for his freedom in court. d. scott was considered the property of the slaveholding family.