Answer: D is correct, opium traders launched a series of raids and attacks against Britain.
The cause of the Opium War (1839-1842) is the opium traders launched a series of raids and attacks against Britain. Thus, option (d) is correct.
What is Opium War?
The Qing dynasty and Western powers engaged in two wars known as the Opium Wars in the middle of the 19th century. The Opium Wars began between 1839 and 1842.
China's endeavor to stop the illegal opium trade was motivated by the Opium War. The Chinese economy and society were suffering, and it had caused widespread addiction there. The majority of those supplying drugs are Britons.
A number of raids and assaults were made against Britain by the Opium traffickers. China and the British were at war.
Therefore, option (d) is correct.
Learn more about on Opium War, here:
https://brainly.com/question/15072997
#SPJ5
