 The "Quebec Act"s main significance in the Thirteen Colonies was that it angered the Patriots, and dismayed the Loyalists who supported the Crown, and helped to accelerate the confrontation that became the American Revolution (Miller 1943).The "Act" is listed as one of the rebels' 27 colonial grievances in the Declaration of Independence as one of the "Acts of pretended Legislation ...The First Continental Congress petitioned Parliament to repeal the Intolerable Acts, which Parliament declined to do.