The British emissary Lord Elgin, in further…

The British emissary Lord Elgin, in further negotiations in Shanghai later in the year, had forced China to legalize the so-called coolie trade (unskilled contract laborers shipped from China, particularly the southern ports of Amoy and Macau, to developing European colonial areas, such as Hawaii, Ceylon, Malaya, and the Caribbean) and the importation of opium and fixes a small tariff rate for opium importation.

The Chinese, however, refuse to ratify the treaties, and ...