Changes in the nature of shoen koryo sei made confrontations in each social class of the nation apparent, developing into nation-wide confrontations with the confrontation between the Northern Court and the Southern Court used as a legitimate reason.
荘園公領制の変質が、社会各層における対立を顕在化させ、南北朝の争いを大義名分とする全国的な抗争が展開した。