Terrorism -- Prevention 95 Terrorism 69 Religious aspects -- 59 Islam 58 Prevention -- 42 Government policy -- 33 more ... Terrorists -- 31 Prevention. -- 30 National security -- 25 Foreign relations -- 24 Politics and government -- 24 Psychological aspects 24 War on Terrorism, 2001-2009 23 History -- 20 History 18 Jihad 18 September 11 Terrorist Attacks, 2001 18 Islam and politics -- 17 Islamic fundamentalism 15 Islamic fundamentalism -- 15 International cooperation 12 Psychology 12 Government policy 11 Social aspects 10 Security measures 9 War -- 9 War on terrorism, 2001- 9 Foreign relations 8 Political aspects 8 less ...