sln1lar matter has.been under discussion since the tilenty- seventtr sesslon, nale ly, I Non-use of force in inter- natlonal re].atl-ons I on r.rhich a Speclal Coffinlttee had been established. An item on [peaceful settlement of dlsputes" was also introduced at the tbrenty-nlnth session. At l-ts t*renty-first eesslon. ttrree funportant items were l-nscrlbed l-n the Agenda, namely, ,,Strict obserrance of tle prohibition of the threat or.use of force anC the rlght of people to self-detemlnation'., '. Convention on^/ 40/726 Engl ish Page 30 prohibition of use of nuclear and thermonuclear weapons" and. rtRenuncj-ation by states of actlons hanlgerlng the conclusion of an agreement on non-proliferatj.on of nuclear weapons". lhe General Assembly also began to dLscuss from its tr,tenty-first session tlre question of 'rEliminatlon of forelgn mllitary bases iri Asia, Africa and l.,atin Americarr. The matter of convening of a conference of non-nuclear weapon states as also the reconrnendetions of that conference was the subject matte r of discussions at the twenty-965.r'd, twe nty- fourth, tr.renty-fifth and tr.re nty-sseg ntb sessicns of the General Assembly. Ttte matter has subsequent ly been considered under the Agenda item "Concluslon of effective internatlonal arrangements to assure non-nuclear .weapon states against use or threat of use of nuclear weapons'r - Ehe Fourth Conference on Peaceful Uses cf Atomic Energq; was also held Ln 1971. Another lntl)ortant area'where General Assembly's attentlon uas focussed was t'}.e guestlon of peaceful uses of the sea-bed and sub-soil which was discussed at the tr'renty- second session and continued through ttre subsequent seEsions leading to t}le cor|ening of the Thild Unj.ted Natl.ons. Conference on the Law of the Sea in 19?3. The General assernbly discussed the issue of strengthening of international sesurity at its twenty-fourth, twenty- flfth and truenty-sixtJ. sesslons and the matter was continued unde r. Uie item I'Strengthening of the role of