Government policy -- Terrorism -- Prevention -- 16 Foreign relations -- 15 National security -- 9 War on Terrorism, 2001-2009 9 Prevention. -- 8 more ... Politics and government -- 7 War on terrorism, 2001- 6 History -- 5 Islam 5 Religious aspects -- 5 September 11 Terrorist Attacks, 2001 5 Terrorism 5 London Terrorist Bombings, London, England, 2005 4 Case studies 3 Evaluation. -- 3 Foreign relations 3 Influence 3 Intelligence service -- 3 Jihad 3 Terrorists -- 3 Aeronautics, Commercial -- 2 Case studies -- 2 Civil rights -- 2 Counterinsurgency -- 2 Economic sanctions, American 2 Government policy 2 History. -- 2 Insurgency -- 2 less ...