Answer:
I honestly believe the answer is A
Explanation:
Treaty of Nanjing, (August 29, 1842) treaty that ended the first Opium War, the first of the unequal treaties between China and foreign imperialist powers. China paid the British an indemnity, ceded the territory of Hong Kong, and agreed to establish a “fair and reasonable” tariff. British merchants, who had previously been allowed to trade only at Guangzhou (Canton), were now permitted to trade at five “treaty ports” and with whomever they pleased (see Canton system). The treaty was supplemented in 1843 by the British Supplementary Treaty of the Bogue, which allowed British citizens to be tried in British courts and granted Britain any rights in China that China might grant to other countries.
Poor workers were often housed in cramped, grossly inadequate quarters. Working conditions were difficult and exposed employees to many risks and dangers, including cramped work areas with poor ventilation, trauma from machinery, toxic exposures to heavy metals, dust, and solvents.
There were over 1,000,000 casualties who died in the Civil War and this war killed more than other american wars. <span />
It was much lighter and easier to carry unlike the coins they normally used.