The answer to this question is: <span>Even the king must respect certain rights of the people.
Before the creation of Magna Charta, the power of a king in England is unlimited. During this period, the King was able to punish whoever he feel pleased even without proof of wrongdoings.
The creation of Magna Charta make the King exposed to the risk of law which makes him more accountable when he's doing something that violates human rights</span>
In the story of Oedipus he was given a prophecy saying that he would kill his father and marry his mother. And in the end of the story he does end up killing his father and marrying his mother. This is foreshadowing, a clue or event that has happened before that tells of an event that will happen in the future.