 He also showed favor to Buddhism, and built several large temples and monasteries.It is said that Tenmu asked that each household was encouraged to build an altar with a dais where a Buddha-image and a sutra could be placed so that family worshiping could be held, thus inventing the butsudan.On the other hand, all Buddhist priests, monks and nuns were controlled by the state, and no one was allowed to become a monk without the state's permission.