Terrorism -- Government policy -- 32 Prevention -- 22 Government policy 15 National security -- 11 Politics and government -- 11 Prevention 11 more ... Prevention. -- 11 Politics and government 10 Foreign relations -- 9 War on Terrorism, 2001-2009 7 Terrorism 5 Case studies 4 Government publications -- 4 History -- 4 Radicalism -- 4 Terrorists -- 4 War on terrorism, 2001- 4 Foreign relations 3 Intelligence service -- 3 Islam 3 Religious aspects -- 3 Security measures 3 Violence -- 3 Aeronautics, Commercial -- 2 Case studies -- 2 Civil defense -- 2 Civil rights -- 2 Counterinsurgency -- 2 Defenses 2 less ...