Terrorism Prevention 29 Religious aspects 11 Government policy 10 Islam 10 History 7 World politics 7 National security 6 Jihad 5 Congresses 4 Islam and politics 4 Islamic fundamentalism 4 Political violence 4 Qaida (Organization) 4 September 11 Terrorist Attacks, 2001 4 Technological innovations 4 United States 4 Addresses, essays, lectures 3 Terrorists 3 Weapons 3 Asia, Southeastern 2 Biography 2 Case studies 2 Democracy 2 Drug traffic 2 Foreign relations 2 International offenses 2 International relations 2 Liberalism 2 National Security 2