The Federal Reserve Board controls our money supply. Its governors are appointed by the president and confirmed by the Senate and serve 14-year staggered terms. They have the power to cripple an economy, as they did during the late 1920s and early 1930s. Their inept monetary policy threw the economy into the Great Depression, during which real output in the United States fell nearly 30 percent and the unemployment rate soared as high as nearly 25 percent.
-Walter Williams
Read on:
https://www.lewrockwell.com/2018/01/walter-e-williams/dangers-of-government-control/
By the way, FDR was no Jeffersonian Democrat. Grover Cleveland was the last real Democrat President of the USA.