The influx of new ideas provoked civil war, in which the already decadent Shogunate was abolished and the authority of the Mikado restored.
The struggle between the Taira and Minamoto clans for the power that had long been practically abandoned by the Imperial line lasted through the 11th and the greater part of the 12th centuries, ending only with the rise of Yoritomo to the shogunate in 1185.
Towards the close of the Ashikaga shogunate painting entered on a new phase.
At the restoration in 1868 the shogunate was abolished, and the population of Yedo speedily decreased.
He returned on the eve of the abolition of the Shogunate, and followed Enomoto (q.v.) when the latter, sailing with the Tokugawa fleet to Yezo, attempted to establish a republic there in defiance of the newly organized government of the emperor.
A man of profound ability and singular force of character, he acted a leading part in the complications preceding the fall of the Tokugawa shogunate, and was obliged to fly from Kioto accompanied by his coadjutor, Prince Sanjo.