in 1866, the first attempt in the united states at a union for worker's was called the....american federation of labor?...trade unions?.....or national labor union?

Answer :

The correct answer for the question that is being presented above is this one: "National Labor Union." In 1866, the first attempt in the united states at a union for worker's was called the National Labor Union. It is considered as the first national labor federation in the United States.

National Labor Union

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