After the Muromachi bakufu (Japanese feudal government headed by a shogun), the Koga kubo, the Yamanouchi-Uesugi family, and the Ogigayatsu-Uesugi family agreed to the peace, Kageharu NAGAO and Noritane were the only rebellious group, and they were searched out and destroyed by Yoritane CHIBA, who was approved as the head of the Chiba clan by the bakufu and was backed up by Dokan OTA.
そして、室町幕府と古河公方・山内上杉家・扇谷上杉家の和議が整い、造反勢力は長尾景春と孝胤らのみとなり、幕府が千葉氏当主と認めた千葉自胤の、太田道灌の支援を背景にした追討を受けることとなった。