Much recent discourse on humanitarian intervention has focused on the responsibility to protect (R2P). Prevention is a key component to good international relations and few would say it is not important, but since the evidence to date shows that prevention is very ineffective, the legality of military intervention has yet to be debated, as to date there is no consensus . For any intervention to be legitimate, whether unilateral or multilateral, it must respect international law. To avoid confusion, any situation in which an “intervention” is carried out with the permission or request of the intervening State should be considered humanitarian assistance since the sovereignty of the State is not violated. This document will explain the relevant international laws and how they apply. The International Court of Justice (ICJ), founded by the United Nations (UN), is incorporated into the United Nations Charter, making all member countries ipso facto parties to the Court's statutes. The Court, pursuant to Article 38 of the Statute of the International Court of Justice, recognizes in international law: international conventions (recognized by contesting states) and international customs (practices with acceptable precedents to be accepted as law). International Convention The Charter of the United Nations is the most important piece of law when it comes to international law. Almost all states, except a few minor ones, have joined. Article 103 of the Charter states that in the event of a conflict between the Charter and any other international treaty or agreement, the Charter shall prevail. The United Nations Charter is based on a principle of non-intervention and sovereignty. Article 2 (1) states that the United Nations is based on the idea of ​​sovereign equality am…… half of the document……n International Relations: Challenges to Collective Security. Chapter: The Role of Humanitarian Intervention in International Peace and Security: Guarantee or Threat? International Press Organization. (2006) United Nations. Charter of the United Nations. http://www.un.org/en/documents/charterUnited Nations. General Assembly – 25th Resolution. http://daccess-dds-ny.un.org/doc/RESOLUTION/GEN/NR0/348/90/IMG/NR034890.pdf?OpenElement United Nations. General Assembly – Twenty-ninth Session. http://daccess-dds-ny.un.org/doc/RESOLUTION/GEN/NR0/739/16/IMG/NR073916.pdf?OpenElement United Nations. General Assembly Resolution 42/22 (1987).http://www.un.org/documents/ga/res/42/a42r022.htmVilliger, M. Customary International Law and Treaties: A Handbook on the Theory and Practice of 'interrelationship of Sources. Kluwer International Law. 2007