Question

What happened to the U.S. economy immediately after World War I ended? It went into a brief recession. It entered a prolonged slump. It began a decade-long boom. It grew slowly for several years.

Answer 1

It began a decade long boom.
This was known as the Roaring Twenties :)

Answer 2

It gave a great increase to the U.S. economy, which meant more production and wealth in the U.S. The answer is C. It began a decade-long boom.