Poverty in India Bihar, Jharkhand and West Bengal, were dedicated to producing poppy and opium, which were then exported to southeast and east Asia particularly China, with the trade an exclusive monopoly first of East India Company, and later the colonial British institutions. The economic importance of this shift from industry to agriculture in India was large; by 1850, it created nearly 1,000 square kilometres of poppy farms in India in its fertile Ganges plains, led to two opium wars in Asia, with the second opium war fought between 1856 and 1860. After China accepted opium trade, the colonial government dedicated more land
Foreign relations of China threat from both domestic and international sources. Social unrest and serious revolts became more common while the regular army had decayed into an ineffective force. Chinese leaders increasingly feared the impact of Western ideas. After 1724 Christian propaganda was prohibited, and after 1757 international trade was confined to the port of Canton under the strictly limited Canton System. European commercial interests sought to end the trading barriers, but China fended off repeated efforts by Britain to reform the trading system. Increasing sales of Indian opium to China by British traders led to the First Opium War (1839–1842). The superiority of