Mezue ahịrịokwu na-esonụ: Ụlọ ọrụ British East India Company hụrụ ahịa opium dị ka ohere itinye ego na 1683 AD. N'afọ 1773, Gọvanọ Bengal guzobere ikike nke imepụta opium Bengal, n'aha ụlọ ọrụ East India. A na-achịkwa ịkọ na imepụta opium ndị India n'ụzọ ọzọ site n'usoro iwu dị iche iche, n'agbata afọ 1797 na 1949. Ndị Briten mere ka ụkọ ego ha na-enweta site n'ịkpọbata tii si China site n'ire opium si India nke a na-ebubata na China n'agbanyeghị mmachibido iwu gọọmenti China. Nke a dugara na Mbụ (1839<unk>1842) na
Agha Opium nke Abụọ (1856<unk>1860) n'etiti China na Britain.