Was the dream of Dr. Martin Luther King Jr dream for all black American?

Peace to the family. Now everybody know the famous I have a dream speech by Dr. Martin Luther King jr. and the content of the speech.  Now  that dream  that Dr. King spoke about in the speech I have dream was that something majority of so-called black Americans wanted for themselves as well? And do also called Black Americans want the same thing? And do all so-called black Americans really want to unite with each other? These  are some talking points that we will be discussing on tonight's broadcast.