Political activity History 226 Politics and government 166 Political aspects 78 Women 72 Youth 45 Social conditions 42 Trade-unions 38 Feminism 30 Working class 30 Student movements 27 Labor and laboring classes 26 Protest movements 25 Minorities 24 College students 21 Students 21 Civil rights 20 Political participation 19 Radicalism 19 Intellectuals 18 Race relations 18 Social aspects 18 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