Prevention Terrorism -- Terrorism 26 Psychological aspects 9 Government policy 8 Prevention -- 7 Psychology 7 more ... Terrorists -- 7 War on Terrorism, 2001-2009 7 Security measures 5 Social aspects 5 Islam 4 Religious aspects -- 4 Child terrorists 3 Finance -- 3 Government publications -- 3 History 3 Human rights 3 International cooperation 3 Security, International 3 War on terrorism, 2001- 3 Aeronautics, Commercial -- 2 Airports -- 2 Commando troops 2 Democracy 2 Finance 2 Hijacking of aircraft -- 2 Islam and politics 2 Jihad 2 Law and legislation 2 less ...