Why were italian city-states so economically prosperous? a. they produced a lot of gold. b. they imported more goods than they exported. c. they were important centers of trade with the east and the byzantine empire. d. they had a greater diversity of people.

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.