China: the late empires 1450 CE
The Ming dynasty is at the height of its power.
The Ming dynasty is now in decline, and the strong Manchu kingdom has appeared in the north.
The Manchu have now taken over China, and have established the Qing dynasty.
The Qing dynasty has made China prosperous and powerful, and greatly expanded its territory.
The Qing dynasty has brought China to the peak of its power and widest territorial extent.