<prompt> Qedela umusho olandelayo: Izibonelo zakuqala eziphawulekayo ezinemibono emibili zihlanganisa ibalazwe lokuhamba kukaNapoleon eMoscow elakhiqizwa nguCharles Joseph Minard ngo-1869; ama-coxcombs asetshenziswa nguFlorence Nightingale ngo-1857 njengengxenye yomkhankaso wokuthuthukisa izimo zempilo ebuthweni laseBrithani; kanye nebalazwe lamaphoyinti elisetshenziswe nguJohn Snow ngo-1855 ukubonisa i-  <response>: Ukuqubuka kwesifo sekholera eBroad Street. 