The first major labor union was founded in 1866 by William Sylvis. It was called the National Labor Union (NLU).
It was the first national federation in the United States but it did not last. It dissolved in 1873. However, it paved the way for other labor unions and organizations.
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Answer:
1) In january 1973, the United States and North Vietnam concluded the last peace treaty, ending open hostilities between the two nations. War between North and South Vietnam continued, however, until April 30, 1969.
2) Nixon visited China to gain more leverage over the relationship with the Soviet Union. The normalization of ties culminates in 1979, when the U.S. established full diplomatic relations with the PVR.
Explanation:
Nationalism and imperialism encouraged each nation to pursue it's own in complete for power