Prevention Terrorism -- 97 Terrorism 33 Prevention -- 9 Psychological aspects 9 Government policy 8 Security measures 8 more ... Psychology 7 Terrorists -- 7 War on Terrorism, 2001-2009 7 Conflict management 5 Government publications -- 5 Islam 5 Religious aspects -- 5 Social aspects 5 War on terrorism, 2001- 5 Hijacking of aircraft -- 4 History 4 International cooperation 4 Money laundering -- 4 Security, International 4 Aeronautics, Commercial -- 3 Airports -- 3 Child terrorists 3 Democracy 3 Finance -- 3 Human rights 3 Jihad 3 Liberalism 3 Prevention. -- 3 less ...