In August 1917 Duan obtained Feng Guozhang's appointment of Wu as Commander-in-Chief of the Upper Yangtze River, and concurrently Inspector of Sichuan, with orders to advance into Sichuan to resolve its internal conflicts.
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Hubei independent forces ceased to be a serious threat to Beiyang power in Hubei.
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In 1916 Wu was given the task to reestablish northern military control over Yuezhou in northern Hunan.