Advertisement Continue reading the main storyThe chemical menace from North Korea recalls a time when chemical weapons posed far more of a global threat than they do today. In the war’s aftermath, the Geneva Protocol of 1925 banned chemical warfare but not chemical weapons. Many nations developed sophisticated chemical weapons programs, as well as biological weapons. The threat of chemical warfare diminished because of the far greater power of nuclear weapons, but also because of the 1997 Chemical Weapons Convention, which outlawed the weapons altogether. North Korea did not join.

Source: New York Times October 28, 2017 01:41 UTC