Terrorism -- 246 Terrorism 91 Prevention 72 Politics and government -- 69 Islam 66 Religious aspects -- 57 History -- 54 more ... History 49 Politics and government 49 Foreign relations -- 47 Islam and politics -- 43 Islam -- 40 War on Terrorism, 2001-2009 40 National security -- 38 Prevention. -- 33 World politics -- 29 Prevention -- 28 Government policy -- 27 Terrorists -- 27 Jihad 26 Security, International 26 Islamic fundamentalism 23 Foreign relations 20 September 11 Terrorist Attacks, 2001 20 International relations 19 Military policy 18 Muslims -- 18 Islamic fundamentalism -- 17 Islam and politics 16 Psychological aspects 16 less ...