I visited the Chinese side last year. The Chinese are in a constant state of military readiness. They have all their nuclear weapons in the area, presumably trained on targets across the border. ↗
It's very certain that North Korea is developing nuclear weapons for offensive purposes. They don't need nuclear weapons to defend their own country. ↗
Iran's continued pursuit of nuclear weapons, support for international terrorist organizations, and abhorrent human rights practices pose one of the greatest threats to global security. ↗