Foreign relations Politics and government 281 History 179 Thesis 172 Dissertations, Academic 142 United States 128 World politics 126 National security 95 Military policy 94 Foreign economic relations 61 International relations 60 Security, International 52 Congresses 46 Economic conditions 42 Cold War 36 Terrorism 36 Soviet Union 35 Great Britain 31 World War, 1939-1945 31 China 29 Economic policy 27 Strategic aspects 26 Defenses 25 War on terrorism, 2001- 25 Foreign relation 22 Balance of power 21 Forecasting 21 Armed Forces 20 Causes 20 Diplomatic history 20