Which of the following is NOT a way that the Fed prevents runs from happening?

• Private banks rely on the Federal Government's oversightof theFederal Reserve's monetary policies.
• Ifreserves run low, the Fed will loan money to the private banks.
• The Fed ensures that these private banks have access to currency needed for depositors who wish to withdraw cash.
• Private banks can choose to "hold" their reserves at regional Federal Reserve banks.