Answer:
- the witches’ prophecy about Macbeth's future
- Duncan’s decision to name Malcolm as his successor
Step-by-step explanation:
Macbeth receives a prophecy of three bruchas. The prophecy says that Macbeth will be king. He is delighted and happy with this prophecy and is eager to tell his wife about the bright future what awaits him. however, King Duncan had already nominated his son, Malcolm, as successor to the throne.
The promise of being king and Malcolm's appointment succession to the throne, influence Macbeth to kill King Duncan and take over the throne of the country.