Greatest challenges facing the american economy in the years following world war i?

America had great challenges after World War I.

Explanation:

World War I was an international conflict that took place between 1914 and 1918. Even though the U.S. did not join the war until its last year, the country faced many challenges after it.

The war changed the role of the U.S. from a debtor to a lender, specially in Latin America. On the other hand, employment was a big challenge because immigration slowed down and created a labor shortage in the Northern states. The war took 52% of the gross domestic product.

The war also led to the Great Depression because of all the loans provided to the UK that was after wartime reparations from Germany; this system stopped working because of Germany's hyperinflation and stopped the period known as The Roaring Twenties.

b

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d is the best answer for this question.