Foreign relations Politics and government 36 History 24 United States 21 World politics 18 Security, International 16 International relations 15 Military policy 15 National security 15 Foreign relation 7 Soviet Union 7 Developing countries 6 Sources 6 Cold War 5 Great Britain 5 Japan 5 Balance of power 4 China 4 Congresses 4 Strategic aspects 4 War on terrorism, 2001- 4 World War, 1939-1945 4 Armed Forces 3 Communism 3 Defenses 3 Diplomatic history 3 Economic conditions 3 Europe 3 Forecasting 3 Foreign Relations 3