Is it A or B please give right answer

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.

As a religious faith, candomblé appropriates beliefs from both a. african faiths and catholicism b. hinduism and catholicism c. hinduism and islam d. buddhism and catholicism

How did access to and rivers the progress of industriation in britain