maddieschool23 maddieschool23 20-11-2020 History contestada 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.