Political activists History 12 Race relations 5 Civil rights 4 Civil rights movements 4 Politics and government 4 African Americans 3 more ... Environmental aspects 3 Environmental conditions 3 Environmental policy 3 Environmentalists 3 High school teachers 3 Marine pollution 3 Prevention 3 Sewage disposal in the ocean 3 Social conditions 3 Student movements 3 Artists 2 Asian Americans 2 Civil rights workers 2 Community life 2 Cultural pluralism 2 Intellectual life 2 Japanese Americans 2 Legal status, laws, etc 2 Mexican Americans 2 Race identity 2 Racism 2 Trials, litigation, etc 2 Coalitions 1 less ...