Taking advantage of a succession dispute within the Jodo Shinshu sect, which was the largest Buddhist sect at the time, he made it split into 'east' and 'west', which resulted in the weakening of the sect.
当時最大の仏教勢力であった浄土真宗に対しては、お家争いにつけ込んで東西に分裂させ、結果的に勢力を弱体化させることもした。