Labor
-The first nationwide federation of laborers was the National Labor Union, which consisted of:

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Founded in 1866, the National Labor Union was the first nationwide federation of laborers and consisted of national single-craft trade unions. Organized labor was growing in popularity at the time but had yet to realize its true power. Workers typically organized within their own workplace first, and then joined national unions based on their craft. The organization was short-lived-it dissolved in 1873.

Labor -The First Nationwide Federation of Laborers Was the National Labor