Prevention Terrorism -- Terrorism 19 Government policy 8 Prevention -- 7 War on Terrorism, 2001-2009 7 Psychological aspects 5 more ... Security measures 5 Islam 4 Religious aspects -- 4 Social aspects 4 Child terrorists 3 Finance -- 3 History 3 Human rights 3 International cooperation 3 Psychology 3 Terrorists -- 3 Aeronautics, Commercial -- 2 Airports -- 2 Democracy 2 Finance 2 Hijacking of aircraft -- 2 Islam and politics 2 Jihad 2 Law and legislation 2 Liberalism 2 Money laundering -- 2 Moral and ethical aspects 2 National security 2 less ...