title: Psychosocial factors in riots--old and new.
mesh_terms: D001741:Black or African American; D000374:Aggression; D006126:Group Processes; D049672:History, 19th Century; D049673:History, 20th Century; D006791:Hostility; D006801:Humans; D008913:Minority Groups / Q000266:history; D011057:Politics; D011593:Psychology, Social; D011822:Race Relations; D012922:Social Change; D012926:Social Control, Formal; D012959:Socioeconomic Factors; D014481:United States