Political activity History 236 Politics and government 172 Political aspects 80 Women 73 Youth 45 Social conditions 43 Trade-unions 39 Feminism 30 Working class 30 Student movements 29 Labor and laboring classes 27 Protest movements 25 Minorities 24 Students 23 College students 21 Radicalism 21 Civil rights 20 Intellectuals 19 Political participation 19 Social aspects 19 Race relations 17 Social movements 17 Underground press publications 17 Muslims 16 Women's rights 16 Government policy 15 Political activists 15 Peasantry 14 Vietnam War, 1961-1975 14