Following the death of Hideyoshi TOYOTOMI, a bitter rivalry between the two factions developed and Ieyasu TOKUGAWA who was one of the Gotairo (Council of Five Elders) and received the support from the Budan ha interfered in this conflict.
豊臣秀吉死後激化したこの二派の対立に五大老の一人である徳川家康が介入（武断派に支持された）。