As early as seven years after the end of World War II, war crimes investigators, mostly from Western countries, charged the United States with genocide due to its indiscriminate attacks on civilians in the Korean War, including, notably, use of biological weapons (BW).
— Read on www.thecanadafiles.com/articles/canada-releases-70-year-old-document-that-accuses-us-of-genocide-biological-warfare-during-korean-war