it is the product of the black American fight for survival, which is how all languages develop
Explanation:
Black Americans came from different parts of the world. They all spoke different languages , because if they had spoken the same language from the very begining, slavery would not have existed. However, their suffering was so brutal that they managed to gather in the black church. When the black Americans managed to get together in their own church, they all began to speak the same language. " A language comes into existence by means of brutal necessity, and the rules of the language are dictated by what the language must convey." , this quotation reinforces the idea stated in the answer above.
