How many states needed to approve (ratify) the U. S. Constitution before it could become the new “law of the land?

The banking act of 1933, also known as the glass-steagall act, established the federal deposit insurance corporation (fdic), which a protected banks from failure by ensuring that the government would bail them out if necessary. b required american taxpayers to establish an account with a commercial bank. c protected depositors from financial losses when banks failed.