206 Korea, Japanese invasion of another feudal lord, Tokugawa Ieyasu, who had not participated in the Korean campaigns, to seize power Finally the cost of the war weakened the already declining Ming dynasty in China Additionally, the sending of a large army to Korea denuded southern Manchuria of Ming garrisons and paved the way for the rise of the Manchus Further reading: Berry, Mary E Hideyoshi Cambridge, MA: Harvard University Press, 1982; Park, Yune-hee Admiral Yu Sun-shin and His Turtle Boat Armada Seoul: Hanjin Publishing Company, 1978; Twitchett, Denis, and Frederick W Mote, eds The Cambridge History of China, Vol 8: The Ming Dynasty, Part 2, 1368–1694 Cambridge: Cambridge University Press, 1998 See also Ming dynasty, late; Qing (Ch’ing) dynasty, rise and zenith Jiu-Hwa Lo Upshur