Which group would have been most likely to criticize the Knights of Labor? factory workers child laborers skilled workers union leaders

The group would have been most likely to criticize the Knights of Labor - national labor organization in the United States, founded in 1869 are the Skilled workers because many skilled laborers and factory owners saw this Union as allowing for unfair bargaining power on behalf of the workers.

The group that would have been most likely to criticize the Knights of Labor are the skilled workers. They are most likely the same as the Knights of Labor since they are same as those who are in labor due to their work and the salary they get.