Why didn't sanctions stop North Korea's missile program?

UN sanctions went further by placing legal requirements on all states to prevent North Korea

North Korea’s long-range missile program has made significant technological advances in the past few months.

For most of the past 20 years, the international community has struggled to stop this kind of progress.

Kim Jong Un’s plan to target four test missiles approximately 20 miles off the coast of the U.S. territory of Guam shows just how destabilizing this rapidly advancing ballistic missile program can be. North Korea’s plan – which Kim claims will be finalized later this month – follows last month’s two successful tests of an intercontinental ballistic missile with the capability to hit