Riots History 275 Race relations 99 Politics and government 97 African Americans 79 Social conditions 60 Violence 35 更多 ... Ethnic relations 24 Political aspects 21 Political activity 20 Racism 19 Civil rights 17 Protest movements 13 Demonstrations 12 Radicalism 12 Police 11 Political violence 11 Working class 11 College students 10 Communalism 10 Crime 9 Fugitive slaves 9 General Strike, France, 1968 9 Bounties 8 Crimes against 8 Social change 8 Social conflict 8 Antislavery movements 7 Dissenters 7 Foreign relations 7 少 ...