Why did the American economy begin booming in the 1920s? a. Americans were spending more money on products since they had extra money
to spend.

b. Americans were reckless with national spending, determined to improve the
country.

c. The U. S. government could no longer determine what companies decided to produce.

d. The U. S. focused on boosting industry to avoid becoming like war-torn Europe.

A. Americans were spending more money on products since they had extra money to spend.

Explanation:

the installment plan of the 1920s, an arrangement that allowed people to buy what they wanted with a small down payment and pay off the rest in monthly installments, provided americans a way to own what they did not have the money to buy.

because it took place after the war of 1812 had come to an end.