Although the Kamakura Government was led by Kamakura Kubo who came from the Ashikaga family and its assistant Kanto Kanrei who came from the Uesugi family, Kamakura Kubo and Kanto Kanrei were often confronted each other partly because an appointive power of Kanto Kanrei was handled by the bakufu.
この鎌倉府は足利家出身の鎌倉公方とこれを補佐する上杉家出身の関東管領に指導されていたが、関東管領の任命権は幕府が握っていたこともあり、鎌倉公方と関東管領はしばしば対立していた。