John Bull the "blue and buff" scheme; this was used by supporters of Whig politics, which was part of what John Arbuthnot wished to deride when he created and designed the character. By the twentieth century, however, his waistcoat nearly always depicts a Union Flag, and his coat is generally dark blue. (Otherwise, however, his clothing still echoes the fashions of the Regency period.) He also wears a low topper (sometimes called a John Bull topper) on his head and is often accompanied by a bulldog. John Bull has been used in a variety of different ad campaigns over the years, and
Chemical weapons in World War I where weapons of mass destruction were created. The use of poison gas by all major belligerents throughout World War I constituted war crimes as its use violated the 1899 Hague Declaration Concerning Asphyxiating Gases and the 1907 Hague Convention on Land Warfare, which prohibited the use of "poison or poisoned weapons" in warfare. Widespread horror and public revulsion at the use of gas and its consequences led to far less use of chemical weapons by combatants during World War II. The most frequently used chemicals during World War I were tear-inducing irritants rather than fatal or disabling poisons. During World