Politics and government 5 Social conditions History 4 Economic conditions 2 Political activists 2 Political culture 2 Political participation 2 more ... Protest movements 2 Citizenship 1 Cold War 1 Dissenters 1 Election 1 Elections 1 Influence 1 Intellectuals 1 Internal security 1 Legislators 1 National security 1 Political activity 1 Political aspects 1 Political parties 1 Presidential candidates 1 Presidents 1 Social aspects 1 Vietnam War, 1961-1975 1 Watergate Affair, 1972-1974 1 less ...