Holding Their Breath: How the Allies Confronted the Threat of Chemical Warfare in World War II - Paperbackby Marion Girard Dorsey (Author) Holding Their Breath uncovers just how close Britain, the United States, and Canada came to crossing the red line that restrained chemical weapon use during World War II. Unlike in World War I, belligerents did not release poison gas regularly during the Second World War. Yet, the looming threat of chemical warfare significantly affected the actions and attitudes of these three nations as they prepared their