<span>1820s to acquire land for agriculture</span>
<span>the north developed an industrial economy that didn't need slaves</span>
American electoral politics has been dominated by two major political parties since shortly after the founding of the republic. Since the 1850s, they have been the Democratic Party and the Republican Party.
Answer: The Knights of Labor was a union founded in 1869. The Knights pressed for the eight-hour work day for laborers, and embraced a vision of a society in which workers, not capitalists, would own the industries in which they labored. The Knights also sought to end child labor and convict labor.
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