Dupuis, Charles Keywords: Communications | International relations | Law of treaties | Intervention | State responsibility | Sanctions | Mots clefs: Communications | Relations internationales | Droit des traités | Intervention et non-intervention | Responsabilité des Etats | Sanctions | ABSTRACT The issue of the Freedom of Communication Paths, emphasizes Charles Dupuis in the introduction to his course, is one of the issues in which the opposition, not to say the antagonism, of nationalism and internationalism, the sovereignty of State…