How did charles sumner's views on "bleeding kansas" creating conflict?

me with this question i'm doing high points for this : d

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.

Which statement best describes why henry adams was beaten

What race did the soviets win in 1957?