Final answer:
When the Federal Reserve buys government bonds back from individuals and corporations, it increases the supply of money.
Step-by-step explanation:
When the open-market committee of the Federal Reserve announces plans to buy government bonds back from individuals and corporations, it is a form of open market operations.
Open market operations involve the purchase or sale of government bonds by the central bank to influence the money supply. In this case, when the Federal Reserve buys bonds, it increases the money supply in circulation, making the answer increase the supply of money.