A I think because there was still slavery in the south while he was president
that really isn't a question.
The Abbasids established the new position of vizier to delegate central authority, and delegated even greater authority to local emirs. The Abbasid dynasty ruled as caliphs from their capital in Baghdad, in modern Iraq, after taking over authority of the Muslim empire from the Umayyads in 750 CE.
Answer:
Force
Explanation:
A description and measurement of the interaction between the two objects.A push or a pull.Forces always exist in pairs.
