Final answer:
The Reign of Terror is most closely associated with the French Revolution. It was a period of extreme violence and repression and demonstrates the radical and violent nature of the revolution. The correct option is a.
Step-by-step explanation:
The Reign of Terror is most closely associated with the French Revolution. The Reign of Terror took place during the French Revolution from 1793 to 1794. It was a period of extreme violence and repression, where perceived enemies of the revolutionary government were executed.
This event is significant because it demonstrates the radical and violent nature of the French Revolution and the lengths the revolutionaries went to in order to maintain power.
The correct option is a.