. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "1124255878"^^ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "History of chemical warfare"@en . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Talk:Use_of_chemical_weapons_in_the_Syrian_civil_war#Undeclared_.22traces_of_sarin.22"@en . . . . . . . . . . . "May 2015"@en . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "April 2020"@en . . . . . . . . . . . "Chemical weapons have been a part of warfare in most societies, although their use has been particularly controversial since the 20th century."@en . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "106203"^^ . . "Why would presenting it to Ripley be cause for the idea to be shot down?"@en . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "60215761"^^ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Chemical weapons have been a part of warfare in most societies, although their use has been particularly controversial since the 20th century."@en . . . . . . . .