One thing that should not be ignored at the same time is that, behind this incident, there could be a conflict between the shogun trying to strengthen a tyrannical control and his trusted vassals and the senior vassals in the togoku (the eastern part of Japan, particularly Kanto region) existed.
ただ同時に見逃せないのは、この事件の背景に専制を強める将軍およびその近臣勢力と東国有力御家人との対立が考えられることである。