\65. tne non-pro1 i fer:rtion Treaty is -regarded by nany as an inportant achievement in the area of nltclear-ams regulation. The Treaty entered into force in 1970 and the nrjrber of parties has increased to about -11, States. The operation of the non-proliferation T"eaty was reviewed in L9T5 and a second review conference is taking pJ-ace in l-9B0, Those States i,rhi ch have chosen not to adhere to the Treaty h:ve criticized vhat they eonsider Lo be the inequality in and the discriminating ^1,'Fq.+aF ^f +ha TrAAllr in avnlririno 1-hcir deniqion to relPct i|'- \6€, Tn Lh.= rlerind qincF +.1-a Tr"arr'. antar"p4 intn 'n-na car/cy'e I 'lewe lon.nents have altered the international environment in which the non-proliferation Treaty .r'pr eiFc :nri affccl-.cd Lha rpr^eniinnq ^a thp Trerav ThFre has heen a Lack of pro6ress in the super-Power negatiations on nuclear disamament; a number of States are concerned at the possibility of the spread among States of nuclear explosive capability and many States are anxious to obtain access to secure ^1- aharorlinnlrrdirr nrrn l ea r orrr'rov ),65a. Ln one deve-Lopnent) ior.e supplicr countries book steps outside the non-proli feral ion Treaty structive to p]ace conditions on supply ol nuclear nrierr'al cnrrinnent en.l 1-trnhnrrln',rr Thcse inclrrde the Erridelines of the lluclear S rrn"irne rrrrrr (Tnndnn l-',.h) s 'r.F <r1.- li6r nountries maintaine,r that these pu}]j,fisrr uruu! \lvrLuvl vfqv/ i guidelines were framed. out of concern i'or the need. to stren€lthen non-proliferation allr.ngLncnts. In thc r.iew of any obher coltries, howevero these guidelines haYe amounted to a reinterpretation of some af the Treaty provisions. A1so, some^/ 35 / 3')?- trnglish ilnn€]x countries ex-Dressed dissatisfaction that measures taken by certain supplierstates' individually and jointly, pl-ace greater restrictions and controfs on thepeaceful uses of nuc_Lesr technology.
**Analysis**
The text appears to be discussing the Non-Proliferation Treaty and its implications on international relations, specifically regarding nuclear technology and the concerns of various countries. The text touches on issues such as unequal treatment, lack of progress in superpower negotiations, and guidelines for nuclear supply. These themes suggest that the text is more focused on international relations and politics rather than specific economic, social, or environmental issues.

**Category**
Science and technology, International trade