11. The Chemical Gas
The introduction of chemical gas in World War I marked a horrifying new chapter in warfare. Agents like mustard gas caused indiscriminate suffering—blistering skin, blinding eyes, and claiming countless lives in the trenches. The psychological terror and physical devastation spurred international outrage and led to the first treaties aimed at banning chemical weapons. Despite these efforts, chemical gas remains one of history’s most notorious and controversial tools of mass destruction.
