Answer:
c. Higher wage pay for all workers
Step-by-step explanation:
The Colored National Labor Union Convention was established to reinforce the importance of the participation of black workers in union movements that were established in America. The union movements did not accept the participation of black workers, for this reason the convention sought to show how it was wrong and how all workers, regardless of skin color, had to have their labor rights respected.
The convention sought to allocate forty acres of land for each released, an eight-hour workday, higher wages and a comfortable standard of living.