It appears that the present-day form of African American English is not the inheritance of the period of slavery, but the creation of the second half of the 20th century.
“For years, my master had done his utmost to pollute my mind with foul images, and to destroy the pure principles inculcated by my grandmother, and the good mistress of my childhood.”
“History is formed by the people, those who have power and those without power. Each one of us makes history.”