What event in Act IV foreshadows Macbeth's eventual downfall? A.Macduff calls Macbeth a tyrant and asks Malcolm to bring an army
to Scotland to defeat Macbeth. B.Macduff discovers Macbeth has murdered his family and vows to kill Macbeth himself. C.Lady Macduff tells her son that he no longer has a father and refuses to acknowledge Macduff. D.Malcolm tests Macduff's loyalty to him by pretending that his vices would make him a bad king
The event in Act IV that foreshadows Macbeth eventual downfall is when Lady Macduff and her children are murdered. So Macduff finds out about Macbeth and he vowed to kill Macbeth himself. Macbeth encounters the witches who cryptically present three sprites that give him prophetic warnings. When he asks them for elaborations they preform a ritual and vanish.