Can someone please help me? :(

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.

The articles of confederation did not allow the government the power to tax or to force the states to do anything. what challenges could this cause

Why were the bay of pigs invasion and cuban missle crisis even major events in the kennedy presidency