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    Conquest of Han

    Han was the weakest of the Seven Warring States and had previously been attacked several times by Qin. In 230 BC, the Qin army led by Neishi Teng (內史騰) moved south, crossed the Yellow River, and conquered … See more

    Conquest of Zhao

    From 283 to 257 BC, Qin and Zhao had frequently engaged in warfare against one another; the Zhao defeat at the Battle of Changping in 260 BC had also severely weakened Zhao's military might.
    In 236 BC, … See more

    Conquest of Yan

    In 228 BC, after the fall of Zhao, the Qin general Wang Jian mobilised Qin forces from Zhongshan (present-day central Hebei) to prepare for an offensive on Yan. Ju Wu (鞠武), a Yan official serving as a tutor to Crown Prin… See more

    Conquest of Wei

    In 225 BC, the Qin general Wang Ben led 600,000 troops to conquer more than ten cities on the northern border of Chu as a precautionary move to guard the flank from Chu attacks while they were invading Wei. Wang Ben … See more

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