Baron Axel Von Freytagh-Loringhoven, Le Keywords: Alliances | Mots clefs: Alliances | ABSTRACT Axel von Freytagh-Loringhoven examines the legal content of all the regional agreement treaties, divides the treaties into groups, and establishes a range corresponding to more or less rigid relationships which unite the parties, to the importance or the modesty of the goal pursued by the treaties. Through this classification, the author tries to appreciate the different groups of treaties and to establish whether …