mination must be an objective one. It must be reached in the light of all the relevant circumstances. 262. What are the facts? 263. By resolution 502 ( 1982) the Council demanded the immediate withdrawal of all Argentine forces from the Falkland Islands. Argentina did not withdraw any of its forces: it did quite the opposite. Argentina increased considerably the number of its forces in the days following the adoption of the resolution, 264. The resolution determined that there was a breach of the peace as a result of the Argentine inva- sion. This is made clear by a reading of the preamble. The results of that invasion were Argentine occupa- tion, Accordingly, the breach of the peace still sub- sisted despite the adoption of the resolution. How. then, can it seriously be maintained that resolution 502 (1982) amounted to a measure “necessary to maintain international peace and security”? 265. In my letter to the President of the Council dated 30 April, I pointed out that the reference in Article 51 of the Charter to measures necessary to maintain international peace could “only be taken to refer to measures which are actually effective to bring about the stated ohjec- tive. Clearly, the Security Council’s decision in its resolution 502 (IY82) has not proved effective. The United Kingdom’s inherent right of self-defence is thus unimpaired.” [See S/15016.] 266. The Council has not, of course, adopted any measures under Articles 39, 41 and 42 of the Charter. The argument of Under-Secretary Ros that the exer- cise of self-defence is not available ~CC~USC the Coun- cil adopted resolution 502 (1982) would lead to absurd results. A State which has committed an act of aggrrs- sion is t&l by the Council to stop its aggreSSic)n and 
**Analysis**
This text appears to be a diplomatic or political document, discussing the interpretation of a United Nations Security Council resolution (502) and its implications on international relations, particularly in the context of the Falkland Islands conflict. The text references international law, specifically the United Nations Charter, and makes arguments about the effectiveness of the resolution and the exercise of self-defense.

**Category**
International trade, International relations