Foreign relations -- Military policy Defenses 1 Great powers 1 Imperialism 1 Intervention (Internation al law) 1 Intervention (International Law) 1 more ... Iraq War, 2003-2011 -- 1 National security -- 1 Nationalism -- 1 Natonal securities -- 1 Public opinion 1 Public opinion -- 1 State-sponsored terrorism 1 Unilateral acts (International law) 1 Vietam war -- 1 War on terrorism, 2001- 1 less ...