Editing Qin dynasty (section)

=== Campaign against the Xiongnu, 215 BC ===
{{Main|Qin's campaign against the Xiongnu}}
The Qin collectively referred to the peoples living on their northern border as the [[Five Barbarians]]; while sporadically subject to imperial rule, they remained free from it for the majority of the Qin's existence.{{sfn|Lewis|2007|p=129}} Prohibited from engaging in trade with local Qin peasantry, the [[Xiongnu]] inhabiting the [[Ordos Desert]] to the Qin's north-west frequently raided them instead. In retaliation, [[Qin's campaign against the Xiongnu|a military campaign]] was led by the Qin general Meng Tian. The region was conquered in 215&nbsp;BC, and agriculture was established; however, the local peasants were discontented and later revolted.{{sfn|Lewis|2007|p=5}}