Question

1. which major national labor union made the strongest effort to represent all american workers, including women and african americans?

american federation of labor
pullman company
national labor union
knights of labor

Explanation:

The Knights of Labor was a major national labor union that aimed to represent all workers, including women and African Americans. The American Federation of Labor was more exclusive, focusing on skilled workers. The Pullman Company was an employer, not a labor union. The National Labor Union had limitations in representing all groups.

Answer:

D. Knights of Labor