C is always the answer when your in doubt
A) David
Jerusalem has stood at the center of the Jewish people's national and spiritual life since King David made it the capital of his kingdom in 1003 BCE. The city remained the capital of the Davidic dynasty for 400 years until the kingdom was conquered by the Babylonians.
Where is the graph? Need that to give an answer
Because of the vast majority of goods easily available on this trade route.