Answer:
Great Britain
Explanation:
<em>Opium Wars, two armed conflicts in China in the mid-19th century between the forces of Western countries and of the Qing dynasty, which ruled China from 1644 to 1911/12. The first Opium War (1839–42) was fought between China and Britain.</em>
Hope this helps
I believe the answer is The First Anglo Chinese War.
Please tell me if I am wrong.
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