Which factor played a role in the United States enjoying economic prosperity
during the Roaring '20s?
A. The U.S. economy relied heavily on importing cheap goods from
Europe.
B. The U.S. government strictly monitored and regulated economic
growth.
C. The U.S. infrastructure did not have to be repaired following World
War I
D. U.S. stock market investors were extremely careful about their
investments

B. The U.S government strictly monitored and regulated economic

growth.

Explanation:

The victory of the United States during World War One brought the nation its first taste of becoming a world power.  The markets of its European rivals were already seriously affected by the First World War, and the U.S thus able to capture business earlier controlled by countries such as Britain, France, and Germany. Consumerism and production reached new heights in the United States. The banking and stock market was never boosted at such a high rate before the 1920s.

Here are some points

Explanation: