1. 首先是对丝绸之路要道——哈密的争夺，双方经过三十多年的反复较量，明朝政府苦心经营的哈密、沙州、罕东、赤斤蒙古诸卫地区，落入了瓦剌之手。
After a thirty odd years fight over Hami, the stronghold on the Silk Road was seized by Wala together with Sha, Handong and Chijin run laboriously by the Ming Dynasty long before that.