What is a barter transaction?

barter is where people exchanged goods for other goods like trading a loaf of bread for some jam.Alot of people on the map use the barter systems and aboriginals used that barter system but could only trade with themselves

Additional comment:

Barter is trading for goods without a fixed price tag. Some places barter with currencies, and some use only goods to trade with. The old trading posts were often barter only, with little currency.

Alternate Answer:

Barter System is that system in which goods are exchanged for goods. In ancient times when money was not invented trade as a whole was on barter system. This was possible only in a simple economy but after the development of economy, direct exchange of goods without the use of money, was not without defects.

Fact:

The Aztecs used the barter system to trade with neighboring cities. Through bartering the Aztecs adopted gods and traditions from the cities.