One reason why the U.S. economy grew in the 20th century was A. The United States became an industrial leader.
Thanks to an abundance of resources available to Americans, the U.S. was able to produce so much that they became an industrial power.
This fueled the growth of the U.S. such that the economy became one of the largest in the world by the 20th century.
Options for this question include:
A. The United States became an industrial leader.
B. The United States suffered heavy losses in World War I.
C. The United States cut off trade with foreign countries.
D. The United States continued to use the gold standard
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