Due to disagreements between some of this group's leaders, one of them left to start the Red Republican newspaper. The newly passed Crown and Security Act targeted this group, who's so-called "Schoolmaster," James O'Brien, tried to steer a middle ground between its two factions.  Richard Pilling, one of its leaders, was among those charged for participating in the Plug Plots. Their positions were delineated in their newspaper, the Northern Star, and they were split into the Moral and Physical Force factions; the latter supported the Newport Rising. Their newspaper was edited by Feargus O'Conno
Due to disagreements between some of this group's leaders, one of them left to start the Red Republican newspaper. The newly passed Crown and Security Act targeted this group, who's so-called "Schoolmaster," James O'Brien, tried to steer a middle ground between its two factions.  Richard Pilling, one of its leaders, was among those charged for participating in the Plug Plots. Their positions were delineated in their newspaper, the Northern Star, and they were split into the Moral and Physical Force factions; the latter supported the Newport Rising. Their newspaper was edited by Feargus O'Connor, who was often at odds with their chief leader, William Lovett.  Thomas Carlyle wrote a famous petition supporting their demands such as voting by ballot and an end to rotten boroughs.  For 10 points, identify this 19th century British group that agitated for their namesake document of rights.
Due to disagreements between some of this group's leaders, one of them left to start the Red Republican newspaper.
Chartists [or Chartism or Supporters of the People's Charter]