Chaumont, Charles Keywords: United Nations | Neutrality | Mots clefs: Nations Unies | Neutralité | ABSTRACT Charles Chaumont points out in the introduction to his course that history shows that there can be a place for neutrality in the peace organization, established in a homogeneous way and that in particular in the United Nations, there is an evolution of the legal and practical system of collective security that has emphasized the real complexity of this concept. But if this is the case, the author explains…