Volume 114 of Terrorism: Commentary on Security Documents, European Responses to Terrorist Radicalization, approaches the subject as it has been identified and addressed by the United Kingdom, the Netherlands, and Germany. The introduction to this provides background information on terrorist incidents, and evaluates the evolution of policy on radicalization. It also contains an analysis of radicalization generated by the Organization of Security and Cooperation in Europe, providing insight into trans-European cooperation efforts relating to counter-radicalization policy in Europe.