A decrease in the demand for unskilled and skilled labor was a secondary effect of the productive use of fractional horsepower and internal combustion engines.

Question

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The productive use of fractional horsepower and internal combustion engines led to increased automation and efficiency, which reduced the demand for labor in certain industries. This included both unskilled and skilled labor, as machines were able to perform tasks more quickly and accurately than human workers. Therefore, a decrease in the demand for labor was a secondary effect of these technological advancements.

A Decrease in the Demand for Unskilled and Skilled Labor