Foreign relations International relations 1,686 History 398 Politics and government 297 World politics 112 Cold War 102 Political aspects 64 more ... Diplomatic history 57 Philosophy 56 Military policy 48 Relations 48 Presidents 47 Imperialism 45 Public opinion 44 Territorial expansion 43 World War, 1939-1945 40 National characteristics, American 38 National security 37 Vietnam War, 1961-1975 34 Influence 33 Statesmen 33 Political and social views 31 Economic conditions 23 Intervention (International law) 23 Decision making 22 Nationalism 22 Social conditions 22 Ambassadors 21 African Americans 19 Diplomats 19 less ...