Answer;
All of the above
Explanation;
-Barter trade was a long time ago trade in which people traded for what they wanted.
-Sometimes, it was hard for people to put a barter price on things. Instead of barter, people began to use money as a form of payment.
-People soon learned that although many things would work as money, to be useful, the item or items they chose to use as money had to follow a few simple rules:-