On the other hand, Mutsu Province and Echigo Province (later the northern part was separated off as Dewa Province) became unstable as a result of this policy, which led in turn to the Emishi policy being unsettled all the time.
ただし、その一方で陸奥国・越後国（後に北部が分離して出羽国）は、この政策の維持のために常に不安定な状況に置かれることになり、事あるごとに対蝦夷政策は揺れることになった。