The capital was moved from Damascus to Baghdad under the Abbasid people.
Option B is the correct answer.
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What were the Abbasids?</h3>
Abbasid people were the third empire that encourages the Islamic religion and its learning in the times of the Common era.
Abbasids shifted their capital from Damascus known as Syria in modern times to the capital of Baghdad which is now known as Iraq in recent times in the year 762 Common era. They wanted lesser control of the Arab community over the empire.
Therefore, Baghdad was the capital to which the Abbasids were moved in the ancient era.
Learn more about the Abbasid dynasty in the related link:
brainly.com/question/4468775
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