The Abbasids took control
The abbasids were rulers of the Islamic Empire back in the 700s to 1200s.
The Abbasids, as the ones from the Islamic Empire.
the abbasids dies
The First true Islamic Empire was established by the Second Rightful Caliph Hazrat Umar RAU. It was followed by Ummayyad Family and then Abbasids.
Baghdad.
The Abbasids moved their capital to Baghdad because they wanted to move it closer to Damascus during the time when Umayyad's capital was Damascus. In which means that the Abbasid empire wants to overthrow the Umayyad empire.
shiites were under control and any political action was banned for them and Imam of shia Muslims was in prison by abbasids.
During the last Abbasids the central was weak and the strong dynasty was emerged by Seljuk who took the hold of central government, the whole military was control by them. they decided the administrative affairs and the Abbasids rule by name and they were decline.
Byzantine
Through trade increased wealth and the Abbasid's build a standing army.
Byzantine