Politics and government 1,050 Foreign relations 893 History 658 International relations 607 World politics 311 Cold War 220 Diplomatic relations 182 more ... Presidents 170 Social conditions 134 Political aspects 130 Economic conditions 111 Conservatism 90 Economic policy 86 Political culture 83 Military policy 67 Legislators 65 Communism 59 Influence 55 Social aspects 54 African Americans 50 Vietnam War, 1961-1975 48 Public opinion 46 Liberalism 44 Relations 43 Political activity 41 Political parties 41 National security 40 Intellectual life 39 International economic relations 39 Race relations 39 less ...