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The first major national efforts to control the distribution of narcotic and other dangerous drugs were the efforts of the Chinese in the 19th century. Commerce in opium poppy and coca leaf (cocaine) developed on an organized basis during the 1700s. The Qing rulers of China attempted to discourage opium importation and use, but the English East India Company, which maintained an official monopoly over British trade in China, was engaged in the profitable export of opium from India to China. This monopoly of the China trade was eventually abolished in 1839–42, and friction increased between the British and the ...(100 of 15403 words)