The correct option is A 1840-1842
The opium wars was fought in 1840-1842. Opium War was fought between England and China. The Opium Wars were two wars which were waged between Qing dynasty and Western powers in the mid-19th century. The First Opium War, fought in 1839-1842 between the Qing and Great Britain, was triggered by the dynasty's campaign against the opium trade. The Second Opium War was fought between the Qing and Britain and France, 1856-1860. In each war, the European forces used recently developed warfare technology to defeat the Qing forces.