Terrorism Terrorism -- Prevention 26 Prevention -- 9 History 7 Forecasting 5 Terrorists -- 4 more ... Weapons of mass destruction 4 Government policy -- 3 International cooperation 3 Radicalism 3 Religious aspects 3 Security, International 3 Social conflict 3 Fanaticism 2 Foreign relations 2 National security -- 2 Nationalism 2 Prevention. -- 2 Psychological aspects 2 Transnational crime 2 War on terrorism, 2001- 2 Biography -- 1 Business -- 1 Child terrorists 1 Commando troops 1 Criminology 1 Databases 1 Economic aspects 1 Emergency management 1 less ...