The Political Conditions of Bost from the Advent of Islam to the End of Umavid Dynasty (2)

The Bost city in the east of Sisitan, conquered at the early years of Uthman’s caliphate, was a scene of struggles between caliphate and the local non-Muslim governments. Consequently, the Kharijites, rioters, and the groups opposing to the Umavid caliphate came to power. To explore the challenges facing the Umavid caliphate in that region necessitates – besides investigating the sources and analyzing various trends influential in this territory of the Islamic world – considering conditions such as its location in a geographically distant area, being a frontier region, and being a place where various political and religious groups and races lived;