 Complete the following phrase:  The Convention sent Jean-Baptiste Carrier to Rennes to re-establish order. He arrived on 1 September and remained until 5 or 6 October, when he left for Nantes. In the intervening five weeks he rallied the local Jacobins and comprehensively purged Federalists, Girondins and monarchists from every public office. There were no executions under his command, although counter-revolutionaries were locked up in various local prisons - the most dangerous among them being confined to Mont Saint Michel for maximum security - and others were sent to Paris for trial. He waged a particularly intense campaign against the local clergy, and had plans for a noyade mass drowning as he was later to undertake at 