 Power had passed from the Tokugawa into the hands of those "daimyōs" and other samurai who had led the Restoration.Japan was thus controlled by the "Genrō", an oligarchy which comprised the most powerful men of the military, political and economic spheres.The Emperor showed greater political longevity than his recent predecessors, as he was the first Japanese monarch to remain on the throne past the age of 50 since the abdication of Emperor Ōgimachi in 1586.