“So to those people who are saying to the black man today, "Do your duties first and then clamor for rights," we have a right to answer and to answer insistently, that the rights we are clamoring for are those that will enable us to do our duties.” What does this quote mean?

Why would a person who believes in a strict interpretation of the constitution have a concern with the elastic clause? a) the elastic clause limits the ability of the government to respond to new needs of the nation. b) the elastic clause gives the supreme court original jurisdiction in a limited number of cases. c) the elastic clause allows congress to exercise powers not specifically listed in the constitution. d) the elastic clause guarantees that a citizen's property cannot be taken away with due process of law.