Terrorism -- September 11 Terrorist Attacks, 2001 7 Islam 6 Religious aspects -- 6 Government policy -- 5 Prevention 5 War on Terrorism, 2001-2009 5 more ... War on terrorism, 2001- 5 Jihad 3 Qaida (Organization) 3 Intelligence service -- 2 Islam and politics -- 2 Islam and terrorism -- 2 National security -- 2 Prevention. -- 2 Terrorism 2 Terrorists 2 Transnational crime -- 2 Anti-Americanism 1 Aspect politique 1 Evaluation. -- 1 Finance 1 Finance -- 1 Forecasting 1 Forecasting. -- 1 Foreign relations -- 1 Governmental investigations -- 1 Hijacking of aircraft -- 1 History -- 1 Investigative reporting -- 1 less ...