Military policy 324 Foreign relations 304 Government policy 117 United States 110 National security 96 Terrorism 82 History 80 Politics and government 72 World politics 51 Economic policy 50 Prevention 44 Armed Forces 43 Thesis 32 Dissertations, Academic 29 War on terrorism, 2001- 27 Strategy 26 Congresses 24 Defenses 20 Economic conditions 20 Nuclear weapons 20 Social policy 18 Foreign economic relations 17 Decision making 16 Relations 16 Human rights 14 Industrial policy 14 Case studies 13 Military planning 13 Nuclear warfare 13 Addresses, essays, lectures 12