Reign of Terror the terror, but the timely success of the Terror with French victories added justification to its growth and continuation. During the Reign of Terror, the sans-culottes and the Hébertists put pressure on the National Convention delegates and contributed to the overall instability of France. The National Convention was bitterly split between the Montagnards and the Girondins. The Girondins were more conservative leaders of the National Convention, while the Montagnards supported radical violence and pressures of the lower classes. Once the Montagnards gained control of the National Convention, they began demanding radical measures. Moreover, the sans-culottes, the scrappy, urban workers of
The Mountain effectively obliterated. The Mountain The Mountain () was a political group during the French Revolution, whose members called the Montagnards () sat on the highest benches in the National Assembly. They were the most radical group and opposed the Girondists. The term, which was first used during a session of the Legislative Assembly, came into general use in 1793. Led by Maximilien Robespierre, the Montagnards unleashed the Reign of Terror in 1793. By the summer of 1793, two minority groups who were referred to as the Mountain and the Girondin, divided the National Convention. The Mountain was composed mainly of