Opium Wars Opium Wars The Opium Wars were two wars in the mid-19th century involving China and the British Empire over the British trade of opium and China's sovereignty. The clashes included the First Opium War (1839–1842) and the Second Opium War (1856–1860). The wars and events between them weakened the Qing dynasty and forced China to trade with the other parts of the world. In 1820, China's economy was the largest in the world, according to British economist Angus Maddison. Within a decade after the end of the Second Opium War, China's share of global GDP had fallen by half. In
Global silver trade from the 16th to 18th centuries became a player in the global economy via frequent Ming merchant ships arriving to extract Japan's abundance of silver and exchange goods. Japan increased its wealth through successful trilateral trade with Portugal and China as Japan now had Chinese goods to offer the Portuguese who had silver mines of their own. Founder of the Ming China dynasty, Hongwu, actually sought to eliminate silver from the market due to his fear of inflation which he previously experienced in the Yuan dynasty. His attempt involved imposing harsh limits on silver mining to stop its flow into the market and subsequently replaced it