Problems caused by trusts in the late 1800s

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 does the document of the birtish octopus is an uderlying cause of the world war 1

Explain how colonists treated the native americans and what happened to natives. ! ^^^ 12 points