"At the end of World War II, thousands of Korean workers were repatriated from Japan, and ended up in the northern, then Soviet-occupied, part of the Korean peninsula. Many of them had been working in Hiroshima and Nagasaki, and had been there when American nuclear bombs fell on those cities in August 1945. They brought with them stories of the ultimate "doomsday" weapon, which the Americans possessed, and had used with such devastating outcomes. "
