Opinion -- It’s sort of silly that it matters. The United States bombed North Korea flat with ordinary, non-bioweapons bombs. It ran out of standing structures to bomb. People lived in caves, if they lived. Millions died, most of them from regular old non-scandalous but mass-murderous bombs (including, of course, Napalm which melts
In its near decimation of North Korea, the United States tried to spread diseases like bubonic plague, dropped 32,500 tons of napalm, and killed nearly 3 million people.