Conforti, Benedetto Keywords: United Nations | Consent | Mots clefs: Nations Unies | Consentement | ABSTRACT Benedetto Conforti, Professor at the University of Naples, begins his course on the Role of the Agreement in United Nations’ System with a presentation on respect for the principle of legality by the United Nations bodies. He then examines the challenges of Member States to legality of resolutions and the role of the agreement in the United Nations system. He deals with the effects of UN resolutions “acc…