However, the government changed its diplomatic policy against Silla in the latter half of the eighth century, and therefore, the scale of the gundan-soldier system for defense and invasion was reduced drastically.
しかし8世紀後葉、対新羅外交政策を転換したことに伴い、対外防衛・侵攻のための軍団兵士制も大幅に縮小されることとなった。