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
Reign of Terror (Sleigh Bells album) the latter also describing the flag as being "ostentatious". Because the songs on "Reign of Terror" have more guitar harmonies than previous releases, Sleigh Bells employed Jason Boyer as a backing touring guitarist for live performances. Miller also liked the symmetry of having two guitarists on both sides of a vocalist. Prior to the album's release, several publications listed "Reign of Terror" as an anticipated release for the first part of 2012 including "Spin", "Time", Metacritic and NPR. At Metacritic, which assigns a normalized rating out of 100 to reviews from mainstream critics, the album received an average score of