. . detaining by fraud and violence so numerous a part of my brethren under groaning captivity and cruel oppression,” (Banneker). Here Banneker’s change in tones emphasizes his ability to reason rationally, despite being in objection to Jefferson. Conversely, at the end of the letter, Banneker’s letter switches back to the respectful tone which was implemented to start with. Banneker attaches a copy of his almanac with the letter, stating, “I humbly request you [Jefferson] will favorably receive [the almanac],” (Banneker). Here Banneker shifts the tone back to respect, which once again appeals to Jefferson’s sense of pride, imploring Jefferson to consider the humanity of black people. With this variation of tone, Banneker’s letter establishes that black people are capable of showing respect, as well as reason