The Knights of Labor was founded first, in 1869. It organized skilled and unskilled workers and aspired to form a cooperative society where the workers owned the means of production. It collapsed after the 1886 Haymarket Square riot in Chicago.
Answer:
The Knights of Labor
Explanation:
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B: The sun is at the center of the Universe.
b. The Constitution limits the executive branch to keep the president from becoming too powerful.
The Fugitive Slave act of 1850.