How did machines change workers’ lives? a they required more expertise and skill.
b they decreased the pace of work.
c they increased the number of workers needed.
d they divided labor into many small tasks.

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on this day in 1833, president andrew jackson announces that the government will no longer use the second bank of the united states, the country's national bank. a national bank had first been created by george washington and alexander hamilton in 1791 to serve as a central repository for federal fund