<prompt> Bhala okuqhubekayo kwalesi sigaba - Izibonelo zakuqala eziphawulekayo ezinobukhulu obubili 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 ukuqubuka kwekholera eBroad Street  <response>: . futhi. 