Final answer:
Britain continued to export opium, coal, and silk fabric in the 19th century.
Step-by-step explanation:
In the 19th century, Britain continued to export various products. One of the major products it exported was opium, especially to China. The British East India Company greatly profited from the opium trade. Another significant export was coal, as Britain had abundant coal reserves and it was in high demand during the Industrial Revolution. Additionally, Britain exported silk fabric, produced mostly in the town of Macclesfield, which was known for its silk industry.
Learn more about Britain's exports in the 19th century