International relations World politics 50 Foreign relations 31 Security, International 23 Politics and government 19 Research 14 Philosophy 12 Conflict management 11 Balance of power 9 Diplomacy 9 Moral and ethical aspects 9 Case studies 7 Forecasting 7 International law 7 War 7 International cooperation 6 Thesis 6 Dissertations, Academic 5 International economic relations 5 National security 5 Peace 5 Terrorism 5 War (International law) 5 Encyclopedias 4 History 4 Psychological aspects 4 Social conflict 4 United States 4 Addresses, essays, lectures 3 Armed Forces 3