By the 1830s British free trade policy unleashed a flood of opium in China, which threatened China's:

c

explanation:

i belive the continental association was created to boycott all contact with british goods.

i also belive it was in december 1, 1774

some american cities felt workers were being oppressed by business monopolies

the answer to your question is true

explanation:

hope this and mark me as brainliest!