Terrorism -- September 11 Terrorist Attacks, 2001 9 War on Terrorism, 2001-2009 5 Foreign relations -- 4 Government policy -- 4 Intelligence service -- 2 National security -- 2 more ... September 11 Terrorist Attacks, 2001 -- 2 War on terrorism, 2001- 2 Causes 1 Cold War 1 Drug traffic -- 1 Evaluation. -- 1 Foreign public opinion 1 Globalization 1 Governmental investigations -- 1 Hijacking of aircraft -- 1 History -- 1 Interviews -- 1 Islam and politics -- 1 Islamic fundamentalism 1 Mental health services -- 1 Political aspects -- 1 Political violence -- 1 Prevention 1 Prevention. -- 1 Psychic trauma -- 1 Psychological aspects 1 Psychological aspects. -- 1 Terrorists 1 less ...