Malawalaarachchi, Ovini NPerera,K. Sarath D2025-02-062025-02-062022-06https://dr.ichemc.ac.lk/handle/123456789/111Guest Articles Page 59-62Millions of deaths and the end of civilizations can be inflicted by knife, machete, fire, or even by the pen or the spoken word; but a Weapon of Mass Destruction (WMD) implies such a result more centrally imposed.enDefenseDestructionChemicalWeaponsArticle