Both the Hoover Dam and Mount Rushmore had a profounding effect on the US Economy. It created jobs during the Great Depression which then boosted the economy by creating more jobs for people. If people earn money they will again be willing to spend it. During the Great Depression, FDR's New Deal boosted jobs and the economy not only by building The Hoover Dam and Mt Rushmore but also the more basic needs such as public roads, schools, government buldings etc.
BRAINLIEST?
