What was one major outcome of the First Oplum War?

The answer is C. ::) C. China was forced to reduce its restrictions on British trade.

Explanation:

The First Opium War took place from 1839 to 1842. It faced the Qing Dynasty and the British Empire, and broke out as a result of the differences between both countries regarding opium trafficking, as the Chinese wanted to prohibit this activity, that was very profitable for the British. The war began with the British Expeditionary Fleet shelling Guangdong Kowloon and finally defeating  the Qing Dynasty, ending with the signing of the Treaty of Nanking, which granted European powers free access to Chinese ports.

China and Great Britain formed an alliance against Japan.

B. Great Britain cut off trade relations with China.

C. China was forced to reduce its restrictions on British trade.

D. Great Britain agreed to stop importing opium into China.

Explanation: