I need help please !!

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 first settlement created by the pilgrims in 1620, came for religious freedom. i'm failing history

Why did federalists fear the louisiana purchase? what did they think would happen?