How did the islamic challenge in western europe strengthen the role of the church

In a brief paragraph, use information from the lesson to explain the united states' foreign policy after the spanish-american war.

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.

What were two theories put forth by marx?