The reasons of expanding Shiite's rites in Al - Buid era

Al-Buyid was started when Shiite's twelveth imam absence happened and Shiite's scholars was starting to act more, The result was extension of Shiite which caused to increase Shiite rites. Shiite's scholars in that age was Sheikh Sadog (died in 991), Sheikh Mofid (died in 1022), Seyed Razi (died in 1016), Sheikh Tossi (died in 1068) had a good relationship with Al-Boyeh that caused to stretch Shiite culture in that era. Reclamation of Shiite slogan and accomplishment of Ashora rite, Qadir celebration, constructing library and central science places, repairing Imam's tombs and the regnant of Al-Boyeh attend to accomplish Shiite's slogan especially in Bghdad when Ahmad Moezodole was regnant of that city. These caused to progressing of Shiite slogan in that era.