interest in power or rise of other kingdoms. They feel that instead of conquering new lands, they need an administration to maintain their empire which was from North Africa to Western China, where they were able to introduce Islam into Turkish people, by stopping Central Chinese expansion. There was famous sultan in Abbasid dynasty’s who was Harun-al-Rashid. They were responsible for the good education system, where they had a good amount of scientific advance that affects us even today. One of their scientists introduced algebra and inventedthe numeral system, and some others in chemistry, optics, and others in medicine. There is great prosperity in their regions and were expanding their empire and developing them infrastructurally. Harun enjoys successes against the Byzantines. Unlike the Byzantines, Harun had a good relation with Charlemagne empire. Harun has a good press from franksand other kingdoms, where he was received grandly. While he has good press, it's during his reign, the empire starts to fall apart. There were many different interests who would like to be out from Abbasid control. Syria was against Abbasid, with Umayyad sympathies, and Egypt was against Abbasid due increase in taxes. Umayyad established their territory in span, Idrisids in Morocco, and Aghlabids in Ifriqiya and rest of other rebelled against Abbasid. After Harun’s death in 809, his sons were having resources to start a civil war in the caliphate. Taking advantage of this, other kingdoms were rebelling against the dynasty. Governors were taking advantage of this civil strife, started to build alocal base of power. By the end of the ninth century, much of caliphate was fragmented into various states. As a result of this developments, Abbasid was more of fewer figureheads for the dar-al-Islam from about the mid-900s in the western part of this world
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