Review of obstacles of Ahl-al-bayt's vicar and surrogate

Knowing true samples of vicars and Caliphs is one of the important problems and challenges between Muslims in history of Islam. In Shi’ite opinion, other samples against legitimate successors arrogate vicar of prophet in mistaken way. Sufferance and Putin of Sunni Muslims with violence Ahl-al-bayt’s vicar and surrogate is very peculiar and exotic therefore it’s reasons must Reviewed. Superficial embrace of Islam in operation of some Sahaba, effect of party and individual tacts, opposition of Ghoraysh with Ahl-al-bayt, power and wealth of Ahl-al-bayt’s enemies, are important reasons that cause deviation in Ahl-al-bayt’s vicar and surrogate