Who were the girodins and the montagnards?

The Girondins were a moderate political group during the French Revolution who favored a constitutional monarchy and opposed the radical actions of the Jacobins. The Montagnards were a radical political faction aligned with the Jacobins who advocated for the execution of King Louis XVI and the establishment of a republic. The conflict between the Girondins and the Montagnards ultimately led to the Reign of Terror in 1793.