States should view potential elements of the FMCT through four perspectives: 1) impact on national security if the treaty enters into force – including potential adversaries; 2) national security threats arising from treaty implementation, e.g., from presence within or near sensitive facilities; 3) impact on international security, nonproliferation and efforts aimed at the eventual elimination of nuclear weapons; and 4) costs, both as necessary to support treaty-mandated operations within the state and the costs for international verification. Referring to the international nonproliferation regime as the starting point, the paper will discuss the calculus of treaty negotiations reflecting the rational analysis of these four perspectives, plus macro-influences arising within nuclear-armed states and within non-weapon states, and bloc dynamics.
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