History Social conditions Economic conditions 17 African Americans 16 Race relations 15 Histoire 13 Social aspects 11 more ... Politics and government 10 Conditions sociales 8 Social classes 7 Coal miners 6 Immigrants 6 Minorities 6 Working class 6 African American women 5 Coal mines and mining 5 Ethnic relations 5 Civilization 4 Economic history 4 Ethnic identity 4 Industries 4 Intellectual life 4 Iron and steel workers 4 Religious life and customs 4 Social life and customs 4 Women 4 Commerce 3 Conditions économiques 3 Cultural assimilation 3 Emigration and immigration 3 less ...