Government policy -- Terrorism -- Prevention -- 8 Foreign relations -- 6 Prevention. -- 5 War on Terrorism, 2001-2009 5 National security -- 3 more ... Terrorism 3 Terrorists -- 3 Aeronautics, Commercial -- 2 Economic sanctions, American 2 Evaluation. -- 2 History -- 2 History. -- 2 Intelligence service -- 2 Islam 2 Politics and government 2 Politics and government -- 2 Relations 2 Religious aspects -- 2 Security measures 2 Athletes -- 1 Biography -- 1 Case studies 1 Counterinsurgency -- 1 Governmental investigations -- 1 History 1 Identification. -- 1 Islamic fundamentalism 1 Islamic fundamentalism -- 1 less ...