National security Military policy 117 Foreign relations 97 Politics and government 52 Thesis 52 Defenses 51 Terrorism 43 Dissertations, Academic 42 World politics 38 Security, International 37 Strategic aspects 34 Congresses 33 Prevention 30 Government policy 27 History 25 United States 22 Strategy 21 Armed Forces 20 Asia 18 Pacific Area 17 Military relations 16 Decision making 14 International relations 13 Australia 12 Intelligence service 11 Economic conditions 10 Relations 10 Air power 9 Arms control 9 Dictionaries 9