Question

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Which organization of craft unions focused on improving wages and working conditions?

American Federation of Labor

Knights of Labor

Industrial Workers of the World

American Railway Union

Answer 1

I am not sure but I think that its American Federation of Labor

Answer 2

American Federation of Labor

Step-by-step explanation:

The American Federation of Labor, first founded in 1886 by Samuel Gosper, it was rather than an association a union of several other pre-existant unions that fought bravely for better working conditions, from safety in the place of work to a reasonable 8 hour maximum shift, to improve wages and getting the worker a better wuality of work and life.