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.
“John F. Kennedy was the victim of the hate that was a part of our country. It is a disease that occupies the minds of the few but brings danger to the many.”
“There are so many venues in which stars are exposed today, that we just know much more and the studios don't have the control over stars like they used to, in the 30s, 40s, and 50s.”