## Section I: Chapter 16 / Section II: Chapter 17  
Salah TRABELSI is a lecturer in the history and civilization of the Arab and Muslim world at the University of Lyon 2. He is a member of the Scientific Council of the Centre international de Recherches sur l'Esclavage (EHESS-CNRS) and a member of UNESCO's Comité de suivi des recherches dans le monde arabe «La Route de l'esclave». His research focuses on the history and civilization of the medieval Arab and Muslim world: Muslim expansion and the long process of Islamization and Arabization of conquered countries.