An organization of workers formed for the purpose of advancing its members' interests in respect to wages, benefits, and working conditions.
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the labor unions is big union in this country
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The first labor union was the National Labor Union. It was
organized in 1866. Another early labor union was the Knights of
Labor. This union was secret society when it first began in 1869.
The American Federation of Labor was an early labor union that was
led by Samuel Gompers and was established in 1886.
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In our factory, the employees belong to a labor union.