Which statement best describes an effect of mass production on the U.S. economy?
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A. Work simplification led to a decrease in hiring.
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B. New technology led to the rise of monopolies.
C. Older workers increased the cost of health insurance.
D. Assembly lines increased the affordability of automobiles.



Answer :

Final answer:

Mass production, especially through assembly lines, made automobiles more affordable in the U.S. economy.


Explanation:

Mass production in the U.S. economy, particularly through the implementation of assembly lines, led to an important effect - increased affordability of automobiles. This change transformed manufacturing processes, allowing for faster, more efficient production and lowering costs for consumers.


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