China's nickname is Jiuzhou. It is said that after Yu controlled the flood, he divided China into Jiuzhou: Ji, Yan, Qing, Xu, Jing, Yang, Yu, Liang, Yong. Huainanzi? Terrain also contains that ancient China set up nine states: Shenzhou, Cizhou, Rongzhou, Zhouzhou, Jizhou, Taizhou, Jizhou, Bozhou, Yangzhou
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