What made the American Federation of Labor (AFL) different from the Knights

of Labor (KOL)? (1 point)
The AFL only accepted skilled workers, while the KOL represented both skilled
and unskilled laborers.
The AFL did not worry about its public image as much the Knights of Labor did
and was more open to radical movements.
The AFL was more radical in its call for socialism while the Knights of Labor
still supported capitalism.
The KOL did not hold strikes while the AFL used them frequently to promote
change.

The correct answer is:

The AFL only accepted skilled workers, while the KOL represented both skilled and unskilled laborers.