The position of the Shiites towards the extremist Islamic currents until the end of the Abbasid era

We touched on the position of the Shiites on extremist currents, and it is one of the largest Islamic sects, and it has strong and firm stances towards these currents, especially Ahl al-Bayt (B). I have avoided verbosity in presenting some vocabulary that might arouse the ire of some researchers, who are not accustomed to the critical approach, so I referred the matter to the sources and references that can be referred to directly to find out the contradiction in some of its resources or texts, especially the ideological ones. It has been shown that delving into the depths of these extremist currents dates back to the historical period that followed the death of the Prophet (7) and extended to several decades later