The correct answer to this open question is the following.
Unfortunately, you did not include the text or the name or the text.
We do not know what you are referring to.
Trying to help you with some information, we are going to assume you are referring to the "Letter from Birmingham Jail," written By Dr. Martin Luther King Jr. in April 1963, when he was sent to jail with other 50 individuals who were protesting in downtown Birmingham, a very racist city in that time.
In the above-mentioned lines, Dr. King makes references to passages of American history in which black people had suffered from racism, inequity, and injustices, and Luther King expresses his support to the idea that African Americans deserve the same rights as white people have.