Solution:Reign of Terror was the period in French revolution in 1793 to 1794, marked by widespread violence and executions by the Jacobins, in association with the Sans-Culottes. The Jacobins wre in league with the French clergy.
Jacobins dashed out Girondists with help of Sans–Culottes and were actively conspiring against Aristocracy. The laws for arresting were not limited to political class instead it was vaguely defined and anyone could be arrested. Hence, option (c) is not correct about the Reign of Terror. The reign came to an end on 27th July, 1794 with the execution of Robespierre by guillotine. Hence, option (c) is incorrect