National security Foreign relations 198 Politics and government 140 Military policy 125 Terrorism 106 Prevention 93 Security, International 93 more ... History 91 Government policy 60 Law and legislation 51 World politics 45 Strategic aspects 39 Defenses 38 Internal security 37 Political aspects 36 Civil rights 33 Intelligence service 27 Armed Forces 24 Relations 24 International cooperation 23 Decision making 22 Social aspects 22 International relations 19 Military relations 19 Cold War 18 War on Terrorism, 2001-2009 18 Economic aspects 17 Civil defense 16 Economic conditions 16 Economic policy 16 less ...