Final answer:
The spring and summer of 1794 is known as the Reign of Terror, a period of mass executions and political repression during the French Revolution.
Step-by-step explanation:
The spring and summer of 1794 is known as the Reign of Terror. This period was a part of the French Revolution. It was characterized by a wave of mass executions and political repression in France. The Great Terror was a time of intense violence and fear, with the Committee of Public Safety leading the executions of perceived enemies of the revolution.
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