 Nyorera kupfuurira kweiyi ndima - Khurasan, nehafu yekumabvazuva kweIran yeCaliphate mune zvese, yakapa ivhu rakaorera remabasa emamishinari eAbbasids. Kure nedunhu guru reUmayyad reSiria, Khurasan yakanga ine chiratidzo chakasiyana. Yakanga iri musha wenharaunda huru yevagari vemo vechiArab, iyo yakazoguma nenhamba huru yevatendeuki vomunzvimbomo, pamwe chete nokuroorana pakati pevaArabhu navaIran. Sepurovhinzi yomuganhu inoratidzirwa kuhondo yenguva dzose, maMuslim emuno aive neruzivo rwechiuto, uye kurwira kwakajairika kwakabatsira kubatanidza maArabhu nemaMuslim emuno eKhurasan, nekusada kwakajairika kune maitiro epakati eDhamasiko uye kudzvinyirira kwevatongi veSyria. Maererano nenhoroondo dzakazotevera, muna 7189 vaAbbasids vakanga vatumira naqāb gumi nembiri mudunhu iri, asi nyanzvi dzemazuva ano hadzina chokwadi nezvezvavanotaura, uye zvinoita sekunge chete mushure mekukundikana kweKupandukira kwaZayd ibn Ali muna 740 ndipo pakazotanga kufamba kwemamishinari eAbbasid kuenderera mberi muKhurasan. Muna 745, Khurasani Qahtaba ibn Shabib al-Tai akaenda kumadokero kunopika kuvimbika kuna Ibrahim ibn Muhammad, uye aive naye Abu Muslim akatumirwa kumabvazuva kuti atore kutonga. 