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