Terrorism Terrorism -- 83 Prevention 35 World politics -- 18 Prevention -- 16 Security, International 12 Terrorists 10 more ... Political violence 9 Foreign relations -- 8 War on terrorism, 2001- 8 Weapons of mass destruction 8 Forecasting 7 International relations 7 International cooperation 6 Islam 6 Religious aspects -- 6 Terrorists -- 6 War on Terrorism, 2001-2009 6 Foreign relations 5 Globalization 5 Government policy -- 5 History 5 History -- 5 Radicalism 5 September 11 Terrorist Attacks, 2001 5 Government policy 4 International law 4 National security -- 4 Violence 4 Conflict management 3 less ...