Which of the following best explains how the invention of money affected the
barter system?
A. The invention of money supplemented the barter system by
providing a nonperishable medium of exchange
B. The invention of money had no effect on the barter system
C. The invention of money completely replaced the barter system
with a free-market system
D. The invention of money drastically reduced the value of goods
used in the barter system
