Manchuria
7.of or relating to or characteristic of Manchuria or its people or their culture.
8.The last king of Koryo attempted to invade Manchuria to regain the rest of Koguryo territory.
9.The military intention and failure of the underground forts in Manchuria constructed by Japanese aggression army
10.A subfamily of the Altaic language family spoken in eastern Siberia and northern Manchuria that includes Tungus and Manchu.

