Military policy 324 Foreign relations 305 Government policy 117 United States 116 National security 96 Terrorism 83 History 82 Politics and government 72 World politics 52 Economic policy 50 Prevention 45 Armed Forces 44 Thesis 33 Dissertations, Academic 29 War on terrorism, 2001- 27 Police 26 Strategy 26 Congresses 24 Defenses 20 Economic conditions 20 Nuclear weapons 20 Social policy 18 Foreign economic relations 17 Decision making 16 Relations 16 Case studies 15 Human rights 14 Industrial policy 14 Addresses, essays, lectures 13 Intelligence service 13