D) strengthen consumer confidence in the banking system
In the early 1930s, almost a third of American banks had collapsed and failed, and American consumers had lost trust in the banking system. As a response to this, Roosevelt's administration created the 1933 Banking Act, which formed the FDIC, with the purpose to provide stability to the U.S.'s economy. The corporation regulated some banking practices and insured bank deposits in certain banks, in case that a bank failed.