Japan repeatedly set forth on expeditions with large armies, and eventually SAKANOUE no Tamuramaro, the seii taishogun (literally, "great general who subdues the barbarians"), subdued the enemy by building the Isawa and Shiwa castles.
日本は大軍で繰り返し遠征し、征夷大将軍坂上田村麻呂が胆沢城と志波城を築いて征服した。