WORLD CIVILIZATION

Detailed explanation-1: -In early civilizations, common agreed-upon goods, such as animal skins or salt, served as a currency that individuals could exchange for goods and services. As currency systems progressed over time, coins and paper notes evolved to support their economies and to encourage trade within the region.

Detailed explanation-2: -The Barter economy This trading method doesn’t involve money and it relies solely on exchanging goods and services for other services and goods in return. Bartering was common among Mesopotamia tribes and it was later adopted by Phoenicians.

Detailed explanation-3: -To barter means to trade goods directly rather than through the medium of money. Thus a barter economy is one where money does not exist or has ceased to be functional. It means consumers have to gain goods through exchange.