Banneker continually addresses Jefferson as “sir” throughout the letter. The purpose it serves is to show that even though Banneker feels so strongly about slavery he still maintains a degree of respect. He shows that he is a compliant and a strong willed man who is trying to find appropriate reasoning. Also, repeating the word “sir” can help the reader identify that Jefferson was a powerful man.
Banneker implemented pathos into his argument referring to “look back I entreat you on the variety of dangers to which you were exposed” alluding to a time where Jefferson’s