Sentence:  In the year Zhiyuan 8, 5th month, on xinwei day (around June, 1271), owing to the fact that the chieftains of the eight polities in Dali had submitted recently and were adhered to [China], the thirty-seven tribal regions under Dali were divided into three <WSD>routes</WSD>. 
Meaning of the word marked with <WSD> tags:  One of the major provinces of imperial China from the Later Jin to the Song, corresponding to the Tang and early Yuan circuits.