They controlled what today is called Istanbul. They were part of the Roman Empire that did not collapse and controlled basically the whole eastern region of it.
An ontological argument is a philosophical argument for the existence of God that uses ontology. Many arguments fall under the category of the ontological, and they tend to involve arguments about the state of being or existing. More specifically, ontological arguments tend to start with an a priori theory about the organization of the universe. If that organizational structure is true, the argument will provide reasons why God must exist.
There was a loss of trade skills among workforce
First they would have to be in a anti slavery state, there were also some wealthy African Americans in the time of slavery
