Terrorism Terrorism -- 11 Government policy -- 5 Prevention -- 3 Foreign relations -- 2 Intelligence service -- 2 National security -- 2 more ... Psychological aspects 2 Terrorists -- 2 Autobiographies 1 Biographies 1 Biography -- 1 Criminology 1 Economic conditions 1 Embassy buildings -- 1 Extradition 1 Government policy 1 Hate crimes -- 1 Intelligence officers 1 Intelligence officers -- 1 Islamic fundamentalism -- 1 Law enforcement 1 Prevention 1 Prevention. -- 1 Radicalism 1 Radicalism -- 1 Religious aspects 1 Security measures -- 1 Security, International 1 September 11 Terrorist Attacks, 2001 1 less ...