However, after they went down to Kamakura to suppress the war without the Emperor's permission when Tokiyuki HOJO, the son of the last Tokuso (the patrimonial head of the main branch of the Hojo clan), Takatoki HOJO started the Nakasendai War and occupied Kamakura, they broke away from the Kenmu government and started the movement to establish the samurai government again.
しかし、最後の得宗北条高時の子北条時行が中先代の乱を起こして鎌倉を占拠したのに対し、天皇に無断で鎌倉に下って乱を平定したのを機に、建武政権から離反して再び武家政権を樹立する運動を開始している。