Labor unions Working class History 131 Labor movement 51 Political activity 48 Politics and government 24 Labor 23 more ... Social conditions 23 Industrial relations 14 Economic conditions 10 Social classes 10 Organizing 9 Socialism 9 Labor disputes 8 Labor policy 8 Class consciousness 7 Employment 7 Immigrants 6 Labor laws and legislation 6 Social life and customs 6 Communism 5 Employees 5 Ethnic relations 5 Industries 5 Economic policy 4 Foreign workers 4 Labor leaders 4 Officials and employees 4 Peronism 4 Race relations 4 less ...