Convention formed -- Its composition -- Girondins -- Mountain -- Plain or Marsh -- Activity of sections since their formation -- Revolutionary Commune -- Jacobin Club and -- Mountain -- Jacobins support "Mountain," but oppose Girondins On September 21, 1792, the Convention, that Assembly which has been so often represented as the true type, the ideal of a revolutionary Assembly, was at last opened. The elections had been made by all the citizens, both active and passive, but still in two degrees, which means that all the citizens had first elected the electoral assemblies, and these had nominated the deputies to the Convention. Such a mode of election was clearly in favor of the wealthy; but as the elections took place in September, in the midst of the general agitation resulting from the triumph of the people on August 10 and many who were opposed to the, Revolution, being terrorized by the events on September 2, preferred not to sh...