Politics and government 119 Foreign relations 103 World politics 95 Military policy 89 History 64 International relations 45 Sea-power 35 National security 34 Political aspects 32 Balance of power 31 Armed Forces 24 Power (Social sciences) 24 Political activity 21 United States 17 Economic policy 14 Energy policy 14 Political science 14 Security, International 14 Congresses 13 Power resources 13 Thesis 13 Defenses 12 Dissertations, Academic 12 Case studies 11 Economic conditions 11 Nuclear weapons 11 Petroleum industry and trade 11 Air power 10 Executive power 10 Government policy 9