Final answer:
In the 1920s, Americans had a different attitude towards banking and investing compared to after the 1930s.
Step-by-step explanation:
In the 1920s, Americans generally distrusted banks and were cautious with money. Investing was popular during this period, and many people believed that good times in the stock market would never end. However, after the 1930s, following the Great Depression, people became more cautious with their money and distrusted banks.
Learn more about American attitudes towards banking and investing