National security -- Foreign relations -- 18 Terrorism -- 17 Military policy 15 World politics -- 10 Foreign relations 8 Prevention -- 8 more ... Government policy -- 7 Prevention. -- 7 Defenses 6 History -- 6 National security 6 Politics and government -- 6 Civil defense -- 4 Civil rights -- 4 Military relations -- 4 Relations -- 4 Security, International 4 Decision making 3 Decision making -- 3 Defenses -- 3 Economic aspects 3 Intelligence service -- 3 Law and legislation -- 3 Armed forces 2 Emergency management -- 2 Executive power -- 2 History 2 International cooperation 2 Political aspects -- 2 less ...