Which of the following developments from the period 1750–1900 (C) E. most directly undid the trade patterns mentioned in the first paragraph?

(A) The discovery of certain goods that the Chinese were interested in purchasing from European merchants (B) Enlightenment revolutions in Europe and the Americas (C) The Industrial Revolution (D) The colonization of AfricaExplanation: The trade pattern in question is the acquisition of silver from India and Japan to purchase goods from China. Opium would eventually be a deal-breaker, as Chinese merchants and customers would come to crave the drug and pay silver for it! Eliminate (B), (C), and (D), as these developments did not nearly create a reversal of the balance of trade as much as the export of opium to China did.