Prohibition was the prevention of manufacture and sale of alcohol
<span>The Articles of Confederation served as the written document that established the functions of the national government of the United States after it declared independence from Great Britain. It established a weak central government that mostly, but not entirely, prevented the individual states from conducting their own foreign diplomacy.</span>
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).