How might the working conditions in mines and mills have led the new industrial working class to support?

Miners have been known to likely have the worst working conditions compared to many jobs. A huge amount of men and woman die daily from mine collapsings, damaged lungs, and random little things that just hurt them on the job. They have been fighting for a better work enviorment for years, but unfortunetly, because of how hard it is to accomidate good working conditions under ground, it has fallen upon deaf ears.

American federation of labor which allowed for better work spaces