Abbasids dynasty brought significant changes, including western Afro-Eurasia integration, creating a major city for all, Baghdad. Also, during his time, Arabic became Islam’s preferred language replacing Greek. In Spain, peace and stability were established, promoting a strong relationship with other religions, hence vast development in the region. The regional discrepancy in Africa was characterized by intensive trade that strengthened ties, hence the creation of wealth. In central Eurasia, educated scholars from Sogdiana were brought in, with talented people being encouraged to move to Baghdad. This led to the translation of the collected Arabic materials into manuscripts. Nevertheless, Shiites and Sunnis differed in that whereas Shiites wanted the descendants of Muhammad to rule, the Sunnis believed anybody could lead.