Some relevant selections of

The Charter of
The United Nations

WE THE PEOPLE OF THE UNITED NATIONS DETERMINED to save succeeding generations from the scourge of war, which twice in our lifetime has brought untold sorrow to mankind, and to reaffirm With in fundamental human rights, in the dignity and worth of the human person, in the equal rights of men and women, and of nations large and small, and to establish conditions under which justice and respect for the obligations arising from treaties and other sources of international law can be maintained, and to promote social progress and better standards of life in larger freedom....

Article 2

The Organization and its Members, in pursuit of the Purposes stated in Article 1, shall act in accordance with the following Principles.
  1. The Organization is based on the principle of the sovereign equality of all its members....
  2. All Members shall settle their international disputes by peaceful means in such a manner that international peace and security, and justice, are not endangered.
  3. All Members shall refrain in their international relations from the threat or use of force against the territorial integrity or political independence of any state, or in any other manner inconsistent with the Purposes of the United Nations.

Chapter Vl: Pacific Settlement of Disputes

Article 33

  1. The parties to any dispute, the continuance of which is likely to endanger the maintenance of international peace and security, shall, first of all, seek a solution by negotiation, enquiry, mediation, conciliation, arbitration, judicial settlement, resort to regional agencies or arrangements, or other peaceful means of their own choice.
  2. The Security Council shall, when it deems necessary, call upon the parties to settle their disputes by such means.

The Commission of Inquiry for the International War Crimes Tribunal