1) The 1920s saw rapid economic growth in the US fueled by new manufacturing techniques like the assembly line and mass production pioneered by Henry Ford for automobile production.
2) This led to a consumer boom as products became more affordable, but the benefits were not evenly distributed, with rural areas and farmers facing difficulties.
3) Presidents Harding and Coolidge pursued pro-business policies and cut taxes and regulations to sustain growth, but several scandals erupted under Harding, while not all Americans shared in the prosperity of the era.