Terrorism -- Prevention 93 Terrorism 67 Religious aspects -- 66 Islam 65 Prevention -- 59 Government policy -- 49 more ... Prevention. -- 32 National security -- 31 Politics and government -- 28 Foreign relations -- 27 Terrorists -- 27 History -- 23 War on Terrorism, 2001-2009 23 Islam and politics -- 19 Jihad 19 Psychological aspects 19 History 17 September 11 Terrorist Attacks, 2001 17 Government policy 15 International cooperation 15 Islamic fundamentalism -- 14 Foreign relations 13 Islamic fundamentalism 13 Political aspects 13 War on terrorism, 2001- 13 War -- 11 Psychology 10 Political aspects -- 9 Politics and government 9 less ...