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
Campaign to Suppress Bandits in Northeast China war efforts, which ultimately led to their final victory. Communists, like their nationalist counterparts, also made a grave miscalculation, but in comparison to the nationalists, the communists were very quick in correcting their miscalculation and avoided disasters nationalists had suffered. The communist miscalculation was only made in the initial stage when they first ventured into Northeast China after World War II: during the start of their Campaign to Establish Communist Base in Northeast China, communists were eager to expand their force in region, but most of the communist force sent to Northeast China did not reach their final destination, especially