The forcible opening of Chinese ports to the outside world was accomplished after the British began to trade what product with China?

Question

Quizplus · Accepted Answer

The British began to trade opium with China, which led to addiction and social problems in China. In response, the Chinese government attempted to prohibit the trade, but the British refused to stop. This led to the First Opium War, in which China was defeated and forced to open up its ports to trade with foreign powers.

The Forcible Opening of Chinese Ports to the Outside World