Prevention Terrorism National security 86 Government policy 72 Law and legislation 64 War on Terrorism, 2001-2009 48 Civil rights 34 more ... Security measures 31 International cooperation 24 Terrorists 24 Foreign relations 22 Security, International 18 Civil defense 16 Emergency management 16 Military policy 16 History 15 Intelligence service 15 Psychological aspects 15 Religious aspects 15 Human rights 14 Islam 14 September 11 Terrorist Attacks, 2001 14 Moral and ethical aspects 13 Jihad 12 Detention of persons 11 Psychology 11 Social aspects 11 Technological innovations 11 Finance 10 Islamic fundamentalism 10 less ...