Empires in Collision China became a semi-colonial society after the Opium War Japan, Ottoman Empire, Persia, Ethiopia, siam, and Latin America avoided to fall under European colonial empires. Atlantic slave trade vanished throughout the 19th century Slaves were viewed and treated like merchandise. British people move south away from Egypt British people would hang and Flogged several people The change in power caused the west to be in control of chinas trade and its demand and supply.