)+98. there is the firrther fact that the doctrines of nuclear deterrence have to aeertain extent devefoped in conJunction r'dth technology and they have thus becom--increasingly sophisticated as the range of means availabl-e 1'or their implertentationhas become wider, more complex and more diversified. loctrines, in a sense, arefictions built upon various hypothetical scenarios of nuclear war. Also for thisreason, they have grovn too compl_icated and sophisticated, This trend isrnrrerrininA the credjbilit.r of the docrrines even aronc those r.:h o sLbsJrjbe to :.heuseflrlness of nuclear veapons. rt is therefore highly questionable ",,hether thedoctrines of deterrence r'rould prove to be reliable instnments af contror in acrisis. In any case, everits do develoD independently of the doctrines and no onecan say with assurance that reality will unfold. itself according to lrhat r.ay havebeen exTrected or in line r.rith vhat vas foreseen by virtue of the doctrines. \99' rn spite of all arguments, some countries have chosen to base theil securitvFerceptions on nuclear-weapon systems, in the hope that th€ balance of deuerrencemay remar-n stable. fn particular, the super-povers perceive that nuclear weaponssupport their national security both by deterring a direct confl,ict bctr,reen them^/ 3' / 39?, En€l11sh Annex Page 153 and by increasing their influence in other areas of the wor1d. At the same tine,both are conccrncd that the other night achieve nuclear superiority. In Lhe absence of verifi.able measures of disarmament, these concerns are projected asjustifying further quantitative increases and qualitative developments of theirnuclear arsenals. But the doubtful stability of detervence may r./ell decrease asa rcs.rit or i1{ nuclear arns racc, even ii both sixcs have agreecl to seek nuclearpari':].. It is therefore highly questionable whether the security of the nuclear- l'eapon states - however defined - can be maintained on the basis of an arms race.
**Analysis**
The text appears to be discussing the concept of nuclear deterrence and its implications on international relations and national security. It explores the development of nuclear doctrines, the concerns of nuclear-weapon states, and the potential risks of an arms race. The text does not mention specific economic, environmental, or social issues, but rather focuses on the strategic and political aspects of nuclear weapons.

**Category**
Science and technology, International relations