Final answer:
Macbeth showcases power, worries about prophecy, and struggles with guilt.
Explanation:
Macbeth's behavior in act III's banquet scene:
- Macbeth displays his newfound power and position to the guests assembled at his banquet, showcasing his authority and status as king.
- Macbeth is troubled by the witches' prophecy that Banquo's descendants will become kings, indicating his concern about potential threats to his reign.
- Macbeth has a troubled conscience because he murdered Duncan and Banquo, highlighting his inner turmoil and guilt over his past actions.
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