A type of short-term bond that must be repaid within a year or less

Treasury department u can find it in any history book

The correct answer would be Treasury Bill.

Explanation:

A type of short term bond that must be repaid within a year or less is called as the Treasury Bill.

Treasury Bills are issued by the Government for the purpose of borrowing money from public. Governments use the borrowed money to fulfill their on going expenses. A small amount of risk free interest is paid to the Treasury Bill Holder against the borrowed money. This bill is usually paid back to the people within a year time.