How and why did black people use the language of the American Revolution—of natural rights—in freedom petitions to argue for their freedom and the abolition of slavery?

After reading the two short primary source documents listed below, construct an essay based on the following question:
How and why did black people use the language of the American Revolution—of natural rights—in freedom petitions to argue for their freedom and the abolition of slavery?Primary Source Documents
Your essay should be based on your reading and analysis of the primary source documents. Your paper should be 2 to 3 pages in length and use double-spacing and 12 point font. Please use MLA style. Petition of Slaves in Boston, ProvinceMassachusetts Bay by FelixDownload Petition of Slaves in Boston, Province of Massachusetts Bay by Felix
Freedom Petition of Prince HallDownload Freedom Petition of Prince Hall