Title: The fundamental rules of the international legal order
Subjects: Moral and ethical aspects, International Customary law, Jus cogens, International obligations, Obligations internationales, Droit coutumier international, Jus cogens (International law), International law, Congrès, Droit international, Aspect moral, Gewohnheitsrecht, Rechtspflicht, Völkerrecht, Zwingendes Recht