Decaux, Emmanuel Keywords: Slavery | Abolition | International law | Human trafficking | Forced labour | Crimes against humanity | International responsibility | Mots clefs: Esclavage | Droit international | Travail force | Crimes contre l'humanité | Responsabilité internationale | ABSTRACT The course of Emmanuel Decaux, Professor at the University of Paris II, focuses on public international law relating to slavery, which does not constitute a historical review of the issue of slavery. The abolition of slavery has not only been linked…