The Study of the Reasons of Migration of Moses Al-kazim (Peace be Upon Him) Dynasty to Iran and Khorasan and Its Effects and Blessings

In long periods of Islamic centuries one of the cultural and intellectual poles which always has been taken into the consideration of Iranian people as a symbol of liveliness to the holy family (peace be upon him) is the offspring and grandchildren tombs of Shia Imams. Iran was being as a relatively peaceful shelter for Shiites and suitable bed for propagation، growth and exaltation of Shiites. The offspring of Moses Al-kazim (peace be upon him) are one of the much more numerous emigrants to Iran territory in Abbasid ruling period. This article tries by analytic inspection of historic sources to investigate the reasons of descendants’ immigration of his holiness the prophet Moses and its effects and blessings. The study of the reason of migration of the followers of Prophet Imam Moses Sadat Mousavi to Iran reveals to some extent the unpleasant and difficult living period of Imam (peace be upon him) and the manifestation of era circumstances of that Imam and from the other hand indicates the transformation of Abbasid government system in their attitudes towards this holy family. The authors of present paper tries after following the reason of level of success of this family to indicate the success scale of this migrants in reaching of their aims and clarify some part of social، cultural and religious circumstances of that period of Iran. From the inspection of the revealed evidences in this research it can be found that among the immigration reasons of the offspring of Moses Al-kazim (peace be upon him) to Iran has been their popularity among people and the removal of this territory particularly Khorasan from the center of governorship، cruelty and oppressions of Abbasid Caliphs towards their right and so on which their presence caused the expansion of Shiites and the great religious theology schools and training much of seminarians in Iran.