D. BONDS
Bonds are paper notes bought by an individual backed by a promise by the government to repay the money with interest after a certain period of time.
Bonds available for investments are:
1) US Government Securities / government bonds
2) Municipal bonds
3) Corporate bonds
4) Assets-and-Mortgage backed securities
5) Federal Agency Securities
6) Foreign Government bonds
Bonds are also known as bills, notes, debt-securities, and debt obligations.