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In the 1800s, the introduction of mass production led to
a) conflict among workers in labor unions.
b) equality between workers and the wealthy.
c) a decrease in the need for skilled workers.
d) a decrease in the use of child labor.

The correct answer is: "a decrease in the demand for skilled labor".

The sucess of the Industrial revolution and the development of the factory production model increased the demand for unskilled workers. Many of those came from overcrowded unproductive agricultural works in the countryside, and had moved to cities seeking for a better way of life.

Production processes were divided in many simple steps therefore, learning how to perform efficiently one of those steps, did not require very high qualifications.

Explanation:

Reconstruction period

Explanation: