Terrorism Terrorism -- Prevention 33 Prevention -- 15 Forecasting 7 History 7 Weapons of mass destruction 6 more ... Government policy -- 5 International cooperation 5 Foreign relations 4 Radicalism 4 Security, International 4 Terrorists -- 4 Fanaticism 3 Government policy 3 History -- 3 Islam 3 Psychological aspects 3 Religious aspects 3 Religious aspects -- 3 Social conflict 3 Israel-Arab conflicts 2 Jewish-Arab relations -- 2 National security -- 2 Nationalism 2 Political aspects 2 Political violence 2 Prevention. -- 2 September 11 Terrorist Attacks, 2001 2 Transnational crime 2 less ...