The Second Opium War was fought between China and Western powers from 1856 to 1860. It was caused by China's failure to honor the Treaty of Nanjing and led to the legalization of the opium trade.
The Second Opium War was fought between China and Western powers from 1856 to 1860. It was caused by China's failure to honor the Treaty of Nanjing and led to the legalization of the opium trade.