Macbeth is a tragedy written by William Shakespeare it dramatizes the damaging physical and psychological effect of political ambition on those who seek power for its own sake. Your question the theme from the Macbeth would be letter B. Ambition unchecked can lead to corruption. I hope this will help
The Parker probe was developed to help astronomers learn more about the Sun.
So yea A-Parker Probe
Canadian, chinese, christian, un-american, nonrestrictive, and nonessential i believe