This open access book mainly focuses on Northeast China, which historically included Heilongjiang Province, Jilin Province, Liaoning Province, and the eastern part of Inner Mongolia Autonomous Region. This area borders Mongolia to the west, the ocean to the south, the Korean Peninsula to the east by the Yalu River and the Tumen River, and Russia to the north by the Heilongjiang River and Ussuri River. In Northeast China, the period from the Xia to the Warring States was an important cultur...