During the reign of terror, robespierre tried to
a. execute all french nobles.
b. restore the catholic church.
c. crush all opposition to the revolution.
d. reinstate the monarchy. select the best answer from the choices provided a b c d

During the Reign of Terror, Robespierre tried to a)execute all French nobles and c)crush all opposition to the revolution. This resulted in huge numbers, totaling in the thousands of people who were executed, mostly by guillotine. Nobles and people who were in favor of the monarchy were opponents to the Revolution and were therefore killed for it.

Since you need one answer, C is the best option. It encompasses A, since the nobles opposed the revolution as a rule.