translate English to French: In conclusion, his delegation was convinced that the existence of nuclear weapons represented a threat to the survival of humanity and that the only true guarantee against their use or the threat of use was their total elimination.
En conclusion, sa délégation est convaincue que l'existence des armes nucléaires représente une menace à la survie de l'humanité et que leur élimination totale constitue la seule garantie réelle contre leur recours ou la menace de recours.