Complex sentence: Caliph Uthman ibn Affan specifically ordered his governor Muawiyah I to settle the new tribes away from the original population, however the ascendancy of Arabic as the formal language of the state prompted the cultural and linguistic assimilation of Syrian converts.
Split into simpler sentences: Caliph Uthman ibn Affan specifically ordered his governor Muawiyah I to settle the new tribes away from the original population. However the ascendancy of Arabic as the formal language of the state prompted the cultural and linguistic assimilation of Syrian converts.