The concept of humanity. General principles of international law. Conventional Legal Norms: Concept and importance of the treaties. The concept of humanity. They are different authors who have expressed an opinion on this concept in relation to the right: a) The legal concept of humanity, has always had more of an ideal than reality, says LEGAZY LACAMBRA, b) is the interest of all mankind that Antarctica shall continue forever to be used exclusively for peaceful purposes and shall not become a scene or object of international fights, says the Antarctic Treaty (Washington, December 1, 1959) c) According PIQUEMAL taking into consciousness of a solidarity the human species would involve the introduction of humanity as a new subject of international law. General principles of international law. A) Function to help solve the problems that exist between states, bearing in mind the rules of customary law. B) Are considered as general principles of public international law: A) The principles recognized by the law of the State. B) The principles recognized by international society. C) The underlying principles of international law. C) In all conflicts, which is expressed in the Charter of the United Nations, notably the Universal Declaration of Human Rights, has precedence over any other general principle of law or customary law at the time of interpretation. Conventional legal standards: concept and relevance of international treaties. A) Article 2.1.a VIENNA CONVENTION ON THE RIGHTS OF THE TREATY, May 23, 1969. B) Article 2.1.a VIENNA CONVENTION ON THE TREATY MADE BETWEEN STATES AND INTERNATIONAL ORGANIZATIONS OR BETWEEN INTERNATIONAL ORGANIZATIONS, 1989.