<prompt> Bhala ukuqhubeka kwalesi sigaba - EChina, naphezu kokungahlanganyeli ngokuqondile eMpini Yesibili Ye-Opium  <response>: , uhulumeni kaBuchanan wathola amalungelo okuhweba. Umongameli wancika kuWilliam Bradford Reed 18061876 owayenguNgqongqoshe wakhe eChina ngo-185758. UReed, owayengumHluleli weqembu lamaWhig, wayecenge amaWhig amaningi ukuba asekele uBuchanan emkhankasweni ka-1856. Isivumelwano saseTientsin 1858 sanikeza osomaqhinga baseMelika ilungelo lokuhlala eBeijing, sanciphisa amanani entengo yezimpahla zaseMelika, futhi saqinisekisa inkululeko yenkolo yabangaphandle eChina. URid wasungula ezinye zezimiso zeNqubomgomo Yomnyango Ovulekile eyagcwaliseka eminyakeni engu-40 kamuva. 