The Paper Currency Used by the United States at the Beginning

The paper currency used by the United States at the beginning of the Civil War was referred to as a demand note because ________.

A) it was used to create the demand for various goods and services
B) demand for the currency was kept constant over the entire period of Civil War
C) the currency could be exchanged for gold as and when demanded
D) it was limited in supply and there was always an excess demand for the currency in the country