Which was a main cause of conflict between Britain and China in the mid-19th century?

Question

A. China harassed British ships in the Indian Ocean to undermine Britain’s growing influence.
B. Britain introduced large amounts of silver into the Chinese market to cause inflation.
C. China flooded the British market with cheap silk to make British cotton worthless.
D. Britain imported opium into China from India to break into the Chinese trade market.
D?

Answer 1

Yes, D.