How did the invention of coins help make trade easier?

Explanation:

Coins made it possible to keep the trade system fair across a larger area like the Zhou dynasty. They could be carried instead of having to trade items like animals or pottery, coins were an agreed upon value that people could share.

coins made it possible to keep the trade system fair across a larger area like the zhou dynasty. they can be carried instead of having to items like animals or pottery, coins were an areed upon value that people could share.

what the first or next guys says

a because i tried to vote with just my college id and the answer was no