Шакир, А. In General, the History of Military Conflicts of the XX Century Showed That Chemical Weapons, Despite Their Lethality, Were Not Sufficiently Effective. The Success of Its Use Depended on the Weather, and When the Direction of the Wind Changed, the Side Us: In General, the History of Military Conflicts of the XX Century Showed That Chemical Weapons, Despite Their Lethality, Were Not Sufficiently Effective. The Success of Its Use Depended on the Weather, and When the Direction of the Wind Changed, the Side Using Poisonous Gases Itself Could Suffer from Them. Therefore, Chemical Weapons Have Not Received Wide Distribution. It Was Used Locally, under the Right Conditions. Nevertheless, Military Chemists Were Part of the Armed Forces of Almost All Countries That Were to Become Opponents in the Upcoming War. Вестник ЗКУ 2023, 91, 88.