Discuss the Presentation of Kingship in the Play "Macbeth" by Shakespeare

Shakespeare wrote the play, "Macbeth", for King James VI of Scotland. The story is in fact base on Scottish history and therefore King James could relate to it well as it was about his ancestors: Banquo and Fleance, though, whom he inherited, the throne of Scotland. Shakespeare has evidently flattered his King throughout the play, for example in the witches' scene with Macbeth where they show him the apparitions of Banquo's heirs. In this instance, Shakespeare ensures that the ghost of Banquo holds:
"Two- fold balls and treble scepters"
representing the fact that James is both King James VI of Scotland and King James I of England. Furthermore, Shakespeare makes several adjustments to the historical story, for in reality Banquo joined Macbeth in the killing of Kind Duncan, but as it would not be wise to suggest that James was a descendent from evil; proving that "Macbeth" was nothing more than Elizabethan propaganda.
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