When the supreme court rules on a case, how many "agree" votes are needed to reach a verdict?

Which of the selections below was one pager outcomes of shays rebellion in 1786 in 1787

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.

Based on source 1 which political strategy did sncc most likely support to bring about change in society?