Saul, an Israeli king, ruled over Israel during the 11th century BC. David took the throne right after Saul did. David was important to the Jews and Christians because he was a great king who ruled over his people and did what God told him. David was also important to Christians as he is one of Jesus' direct ancestors.
The general consensus amongst historians is that the balance between Federal and State powers was done to appease those who were afraid that too strong of a federal government would be no different than the monarchy that the colonists were overthrowing.
