G. Cohn, M. Keywords: International responsibility | Mots clefs: Responsabilité internationale | ABSTRACT The Theory of International Responsibility aims at the rules according to which a State can enforce legal rights against another State in respect to its action in international issues affecting the so-called sovereign rights, notes M.G. Cohn. The author starts his study by a presentation of the general sociological and psychological foundations of the aspect of responsibility and their application to the…