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From 1480, Dayan Khan and Mandukhai increased the pressure on the Ming territory because they closed the border trade and killed a Northern Yuan envoy. To contain her, the Ming rapidly expanded the Great Wall. She reoccupied Ordos area and stationed soldiers there to keep watch on the Ming. She reenthroned Dayan Khan at the Eight White Yurts in Ordos but they had to flee a Ming attack. Mandukhai with Dayan Khan went to the Kherlen River in 1501 though her husband continued raids on the Ming dynasty.