Government policy -- Terrorism -- Foreign relations -- 14 Prevention -- 14 National security -- 9 War on Terrorism, 2001-2009 9 Prevention. -- 7 more ... War on terrorism, 2001- 6 History -- 5 Politics and government -- 5 September 11 Terrorist Attacks, 2001 5 Terrorism 5 Case studies 3 Evaluation. -- 3 Intelligence service -- 3 Jihad 3 Aeronautics, Commercial -- 2 Case studies -- 2 Civil rights -- 2 Economic sanctions, American 2 Government policy 2 Influence 2 Islam 2 Politics and government 2 Relations 2 Religious aspects -- 2 Security measures 2 Social conditions -- 2 Terrorists -- 2 Biography -- 1 less ...