North Korea is using the intensifying global rivalry between superpowers to legitimize its nuclear weapons program and resist international calls for disarmament.

North Korea’s latest spirited defence of its nuclear arsenal signals a strategy that goes beyond rejecting international calls to disarm and instead leans into mounting global superpower rivalry to legitimise its weapons build-up. The verbal offensive comes as North Korea could soon face renewed pressure to return to the negotiating table. Analysts say the winding down of the Iran conflict may allow Washington and its allies to refocus attention on the Korean peninsula. Pyongyang has also seized...