September 11 Terrorist Attacks, 2001 Terrorism -- 25 Foreign relations -- 13 War on terrorism, 2001- 9 War on Terrorism, 2001-2009 7 Terrorism 6 Government policy -- 5 more ... Politics and government -- 5 World politics -- 5 Globalization 3 Intelligence service -- 3 National security -- 3 Political aspects -- 3 Political violence 3 Press coverage -- 3 Prevention 3 Cold War 2 Foreign public opinion 2 Foreign relations 2 Globalization -- 2 History 2 History -- 2 Iraq War, 2003-2011 2 Language 2 Military policy 2 Political aspects 2 Psychological aspects 2 Rhetoric -- 2 Security, International 2 September 11 Terrorist Attacks, 2001 -- 2 less ...