The reasons why North Korea is developing nuclear missiles are listed below.
By Sungwon Baik / VOA (North Korea Rocket Launch - Photo Galleries) [Public domain], North Korean Unha-3 rocket at launch pad.jpg, via Wikimedia Commons
The United Nations has made the following statements and requests for nuclear missile development by North Korea. However, North Korea's nuclear missile development activities will not stop.
The Japanese government has also established its own sanctions in addition to UN sanctions.
What to do from now