Question

What was one effect of the popularity of the automobile on the U.S. economy?

Factory workers experienced declining wages and longer working hours.
Tourism declined as drivers quickly tired of heavy road traffic.
More workers were needed in industries that made related parts.
Fewer people took on consumer debt in order to save up to buy a car.

Answer 1

The one effect of the popularity of the automobile on the U.S. economy was that more workers were needed in industries that made related parts. The correct option among all the options that are given in the question is the third option. I hope that the answer has come to your help.

Answer 2

The development of the automotive industry has opened many jobs worldwide, including in the USA.

The automotive industry has a vast production chain, involving the plastics, steel, and car components industries. In this sense, besides the direct jobs, there is a great indirect employability.

In this context, the popularization of automobiles has increased the contingent of workers in related industries, as described in the third alternative (C).