His administration was responsible for the Glass-Steagall Act that forced banks to divest, or separate, from securities operations, commercial banking and investment management (note the Glass-Steagall Act was repealed in 1999 and was a major cause for the major recession of 2008 and also was one of the main issues that contributed to the Great Depression). FDR implemented the FDIC to re-instill confidence in the banks. He moved the U.S. of the Gold Standard to help stop price deflation.
He put people back to work. The WPA employed about 8.5 million Americans over its seven-year history. The Rural Electrification Program provided loans to local cooperatives that took electricity to 90 percent of rural homes by 1939. The TVA (Tennessee Valley Authority) brought jobs and electric power to seven states. The very popular CCC addressed the problem of jobless young men. This work gave them pride in themselves and their country. Their projects changed the landscape of America over duration of the program.
The Social Security Act of 1935 assured retirees a pension and benefits for the unemployed and is still with us