The first important labor union in the United States was called the Knights of Labor. The correct option among all the options given in the question is option "c". This labor union was formed during the late 1880's. Although this union did not survive for a long time due to lack of leadership, still it was a force to reckon with when it first started.
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Answer:
C
Explanation:
This is the whole purpose of the European Union to help the members of the nations by all the reasons listed on question C
