Security, International War on terrorism, 2001- Foreign relations -- 3 Terrorism 3 Globalization 2 Political violence 2 September 11 Terrorist Attacks, 2001 2 more ... World politics -- 2 International relations 1 Iraq War, 2003- 1 National security 1 Nuclear nonproliferation 1 Political stability 1 Politics and government -- 1 Terrorism -- 1 Unilateral acts (International law) 1 Weapons of mass destruction 1 less ...