“Please provide source for the UN Security Council Resolution....”
It predates the United Nations as precedent with the Kellogg-Briand Pact 1928 (Pact of Paris, 1928)(General Treaty for Renunciation of War as an Instrument of National Policy) and the Budapest Memorandum 1938 which set forth the duties and responsibilities of the signatories of the Kellogg-Briand Pact 1928 with respect to aggressors. These precedents were further extended in the various articles of the Charter of the United Nations.