Abstract
This article deals with the way in which the international organizations that emerged after World War I managed the issue of slavery and forced labor, creating areas to discuss these practices, as well as an international legal framework to address the same. In order to establish these spaces for discussion and reflection on slavery were set the task of areas between the League of Nations (LoN) and the International Labor Organization (ILO). The first dealt with human trafficking and slavery, defined this as the property of the person. The ILO has specialized in forced labor and native labor. Each of them had a decisive role in the creation of legal instruments universalized in each case.
Keywords:
slavery; forced labor; international organizations