African American labor union members History 29 Discrimination in employment 19 Labor unions 19 African Americans 15 Employment 14 Race discrimination 13 更多 ... Labor movement 9 Race relations 7 Civil rights 4 Pullman porters 4 African American construction workers 3 Black power 3 Civil rights movements 3 Economic conditions 3 Minorities 3 Political aspects 3 Politics and government 3 Social aspects 3 Affirmative action programs 2 African American automobile industry workers 2 African American coal miners 2 Coal miners 2 Construction workers 2 Paper industry workers 2 Political activity 2 Racism 2 Women labor union members 2 Affirmative action programs -- United States 1 African American Studies 1 少 ...