but the prince was not allowed to live an idle life long . when he was about thirty years old , news was brought that the ainu race , the aborigines of the islands of japan , who had been conquered and pushed northwards by the japanese , had rebelled in the eastern provinces , and leaving the vicinity which had been allotted to them were causing great trouble in the land . the king decided that it was necessary to send an army to do battle with them and bring them to reason . but who was to lead the men ?
the ainu race .
who caused trouble in the land ?
who caused trouble in the land ?