The correct answer is A) the Knights of Labor admitted women and African Americans.
One difference between the Knights of Labor and the American Federation of labor was that the Knights of Labor admitted women and African Americans.
The Knights of Labor (KOL) was founded in 1869 by Uriah Smith. It was the main labor organization of workers of its time in the UnitedStates. In 1879, Terence V. Powderly became the leader of the KOL and knew how to take advantage of the railroad strike to promote the KOL. In those years, the KOL had a membership of almost 700,000 workers, becoming the most important labor organization in America. One difference between the Knights of Labor and the American Federation of labor was that the Knights of Labor admitted women and African Americans.