Respuesta :
Dr. King develops his claim that the uncovering of racial injustices initiates national healing by using these supporting sentences.
1. He noted that "...a boil, like injustice, can never be cured unless it is exposed ..."
2. Dr. King urged Americans to "make real the promise of democracy" in their life.
3. He also invited everybody to reject national policies based on racial injustice. An example is the "Separate but Equal" facilities.
4. Dr. King called on Americans to build the foundation of the nation on human dignity.
5. He underscored that his nonviolent direct action aimed at bringing to the open hidden tensions instead of creating one.
Thus, Dr. King supported his claim about the existence of racial injustices in violation of the Fourteenth Amendment.
Learn more about racial injustices according to Dr. King at https://brainly.com/question/20313481