Therefore, the question of the unconditional security of non-nuclear-weapon States parties to the Treaty against the use or threat of use of nuclear weapons has been and still is an important and vital issue.
C &apos; est pourquoi la question de la sécurité inconditionnelle des États parties au Traité non dotés d &apos; armes nucléaires contre l &apos; emploi ou la menace d &apos; armes nucléaires demeure une question essentielle.