It is said to have been the plan of Yoshitaka KURODA, a trustworthy assistant of Hideyoshi, that Hideyoshi backed up Sanboshi in the conference and that the consensus was secretly built among other chief vassals in advance.
秀吉が三法師を推したのは腹心の黒田孝高（官兵衛）の策で、他の宿老たちにも根回しが行き渡っていたと言われる。