Where do you see the sources and causes of the terror during the Great French Revolution?

The French Revolution carried the slogan “Liberty, Equality, Brotherhood!” The common people are tired of the old order in France. As a result of this revolution, the monarchy was overthrown. The terror was started by the Public Security Committee. Like any terror, the terror during the French Revolution was indiscriminate. They were executed only on suspicion of hatred of the revolution. Representatives of all classes of society were executed. Queen Marie Antoinette was guillotined.