Politics and government Race relations History 42 Civil rights 37 African Americans 30 Social conditions 22 Political aspects 20 Underground press publications 19 Political activists 16 Racism 16 Protest movements 13 Vietnam War, 1961-1975 13 Civil rights movements 12 Counterculture 10 Political activity 10 Radicalism 10 Student movements 9 Blacks 8 Intellectual life 7 Apartheid 6 Political culture 6 Afro-Americans 5 Black power 5 Government relations 5 Political and social views 5 Presidents 5 Reconciliation 5 African American political activists 4 Anti-communist movements 4 Emigration and immigration 4