Are nuclear weapons the symptom, rather than the cause, of instability on the Korean Peninsula?

Require reading:
Hecker, Siegfried, R Carlin, and E Serbin. 2018. “A Technical and Political History of North Korea’s Nuclear Program over the Past 26 Years.” Stanford University: Center for International Security and Cooperation. Focus on the chronological histories of North Korean diplomacy (pp. 11-17), nuclear weapons (pp. 40-44), and missiles (pp. 45-50).
Ok to use outside source.