Riot Act felt uncertain of their power to take action to stop the riots without a reading of the Riot Act. After the riots, Lord Mansfield observed that the Riot Act did not take away the pre-existing power of the authorities to use force to stop a violent riot; it only created the additional offence of failing to disperse after a reading of the Riot Act. The Riot Act was read prior to the Peterloo Massacre of 1819, as well as prior to the Bristol Riots at Queen's Square in 1831. Both are held to be related to the Unreformed House of
Peterloo Massacre the borough council. On the other hand R J White has affirmed the true significance of Peterloo as marking the point of final conversion of provincial England to the struggle for enfranchisement of the working class. "The ship which had tacked and lain for so long among the shoals and shallows of Luddism, hunger-marching, strikes and sabotage, was coming to port" : "Henceforth, the people were to stand with ever greater fortitude behind that great movement, which, stage by stage throughout the nineteenth century, was to impose a new political order upon society." : "With Peterloo, and the departure of