Economic conditions Social conditions History 17 African Americans 5 Economic history 5 Conditions économiques 4 Conditions sociales 4 more ... Histoire 4 Politics and government 4 Working class 4 Race relations 3 Social aspects 3 Company towns 2 Iron and steel workers 2 Italian Americans 2 Land use 2 Minorities 2 Noirs américains 2 Polish Americans 2 Political culture 2 Schwarze 2 Social classes 2 Steel industry and trade 2 Administration 1 African American criminals 1 African American women 1 African-Americans 1 Américains d'origine italienne 1 Américains d'origine polonaise 1 Anthracite coal mines and mining 1 less ...