I dont know for sure but I think 6
The answer is: It separated commercial and investment banking.
The Banking Act of 1933 was a banking reform that was enacted upon the failure of said banks during the great depression. This act <u>prevented commercial banks to invest in a business</u> and enacted more strict regulations.
It's A) A bridge of which the whole or a section may be drawn up, let down, or drawn aside, to prevent access or to leave a passage open.