By Dr. Mercola. Any type of traumatic injury, such as a fall, can cause capillaries (small blood vessels) near your skin's surface to break and leak red blood cells. This causes the reddish-purple or black and blue appearance of bruises on your skin.
In Act III, Scene I we learn that Macbeth has hired murderers to kill Banquo and his son. Macbeth does this because he realizes that Banquo poses a threat to Macbeth's rise in power. At the same time, Banquo loses trust in Macbeth but decides to fake his loyalty for safety.He also wonders if the witches' prophesy concerning his sons will actually come true, which puts them directly at odds with Macbeth.Banquo is murdered in Act III, Scene III. However Banquo's son escapes.When the murderers tell Macbeth that the plan was not completely successful Macbeth realizes that Fleance still is a threat but is happy that no other children will be born of Banquo.t the same time, Banquo loses trust in Macbeth but decides to fake his loyalty for safety. He also wonders if the witches' prophesy concerning his sons will actually come true, which puts them directly at odds with Macbeth. Banquo is murdered in Act III, Scene III.
Once again, Macbeth demonstrates poor decision making, further proving that Macbeth is not a victim of fate. Act 1 Scene 7 Act 3 Scene 1 Macbeth Challenges Fate Macbeth remembers the witches' prophecy that claims Banquo's children will one day be King so he decides to challenge fate. Knowing that all the previous prophecies have come true, Macbeth does anything he can to prevent this, so he murders Banquo.