Terrorism Terrorism -- 18 Prevention 10 Prevention -- 3 Islam 2 Political violence 2 Religious aspects -- 2 more ... Security, International 2 September 11 Terrorist Attacks, 2001 2 Suicide bombers 2 War on terrorism, 2001- 2 Weapons of mass destruction 2 World politics -- 2 Autobiographies 1 Biographies 1 Biography -- 1 Biological weapons 1 Chemical weapons 1 Child terrorists 1 Civilization 1 Commando troops 1 Democracy 1 Drug traffic 1 Forecasting 1 Foreign relations -- 1 Globalization 1 Government policy -- 1 Guerrilla warfare 1 Hate crimes -- 1 History 1 less ...