49' Mexico reiterated the need for appropriate and practical measures for theprevention of nuclear war commensurate with the gravity and imminence of thedangers that are lo be averted. It also called on the Comnittee on Disarmament tomake an effective contribution to the solution of what the General Assemblydescribed as "the most acute and urgent task of the present day,, t.hrough thenegotiation of appropriate and practical measures. 50. By the time the Conmittee concluded its 1983 session, during which the itemwas extensively debated, six working papers had been submitted on the iEem byComnittee members. 51. A paper of the Group of 21' the non-aligned and neutral members of theConmittee,' called for Ehe settinE up of an ad hoc working group to undertakenegotiations on practical measures for the prevention of nuclear vrar. 52. In another working paper, the socialist States also called for theestablishment of an ad hoc working group to negotiate concrete steps on theguestion' including the renunciation by all nuclear-weapon states of the first useof nuclear lteapons and the conclusion of a world-wide treaty on the non-use offorce in international relations. Subsequently, the German Democratic Republic putforward a paper containing a list of items which could be dealt with in the courseof informal meetings of the Committee on the subject. 53. The Federal Republic of Germany submitted a working paper that sought. theobjective of preventing all armed conflict, beEinning with the prohibition of thethreat or use of force as stipulated in Article 2 of the Charter of the UnitedNations. Belgiurn submitted a working paper on confidence-building measures withinthe framework of the prevention of nuclear war. Finally, Australia, BelEium, theFederal Republic of Germany, rtaly, Japan and the Netherlands tentatively outlinedin a joint docunent how the subject t'Prevention of nuclear war, including allrelated matters" could be explored in the course of a series of inforrnal rneetings. 54. I{any members considered, however, that there was need for urgent negot.iat,ionson aPpropriate and practical measures for t,he prevention of nuclear war ard thatinformal meetings would not be the appropriate answer. under no circumstances, itwas stressed, would they be a substitute for the consideration of the question in aA/40/4e8
**Analysis**
The text appears to be discussing the prevention of nuclear war, which is a matter of international security and disarmament. The language used is formal and diplomatic, suggesting that the text is related to international relations and negotiations. The text also mentions specific countries and their positions, which is typical of international diplomatic discussions.

**Category**
International relations, Science and technology