Riot control measures are used by law enforcement, military, paramilitary or security forces to control, disperse, and arrest people who are involved in a riot, unlawful demonstration or unlawful protest.
American marines and Caribbean soldiers clashing during a riot control training exercise in 2011
GRM horse platoon and rioteers Paris - Place de la Concorde - 1934
The centre of the International Settlement of Shanghai, 1928.
Colombian Police armored riot control vehicle with water cannon ISBI
Social control is the regulations, sanctions, mechanisms, and systems that restrict the behaviour of individuals in accordance with social norms and orders. Through both informal and formal means, individuals and groups exercise social control both internally and externally. As an area of social science, social control is studied by researchers of various fields, including anthropology, criminology, law, political science, and sociology.
Signs warning of prohibited activities; an example of social control