Prevention Terrorism -- 82 Terrorism 26 Government policy 8 Prevention -- 8 Security measures 7 War on Terrorism, 2001-2009 7 more ... Islam 5 Psychological aspects 5 Religious aspects -- 5 Hijacking of aircraft -- 4 International cooperation 4 Money laundering -- 4 Social aspects 4 War on terrorism, 2001- 4 Aeronautics, Commercial -- 3 Airports -- 3 Child terrorists 3 Democracy 3 Finance -- 3 History 3 Human rights 3 Liberalism 3 Prevention. -- 3 Psychology 3 Security measures -- 3 Security, International 3 Terrorists -- 3 Bioterrorism 2 Bioterrorism -- 2 less ...