How did opium affect life in china? a. many chinese people became addicted. b. it allowed china to keep great britain out of china. c. it was replaced by gold for use in trade. d. it was used by chinese people, but not at unsafe levels

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.