Terrorism Terrorism -- 28 Prevention 13 World politics -- 8 Prevention -- 6 Foreign relations -- 4 Political violence 4 more ... Security, International 4 War on terrorism, 2001- 4 Globalization 3 Government policy 3 History -- 3 Islam 3 Religious aspects -- 3 September 11 Terrorist Attacks, 2001 3 Weapons of mass destruction 3 Biological weapons 2 Chemical weapons 2 Conflict management 2 Forecasting 2 Insurgency 2 International cooperation 2 International law 2 International relations 2 Islam and politics 2 Israel-Arab conflicts 2 National security 2 National security -- 2 Peace 2 Suicide bombers 2 less ...