Defenses National security -- Military policy 6 Strategic aspects 3 World politics -- 3 Civil defense -- 2 Foreign relations -- 2 more ... Southeast Asia -- 2 Terrorism -- 2 Armed Forces 1 Arms control -- 1 Civil defense 1 Emergency management -- 1 Foreign relations 1 Government policy -- 1 Great powers 1 Harbors -- 1 Internal securitry -- 1 Intervention (Internation al law) 1 Iraq War, 2003-2011 -- 1 Merchant marine -- 1 National security 1 Nationalism -- 1 Nuclear terrorism 1 Nuclear weapons -- 1 Organization for security and cooperation in Europe 1 Politics and government -- 1 Prevention 1 Prevention -- 1 Public opinion 1 less ...