Fairly sure the answer is: It allowed people to buy and sell goods in a wider market.
Think about it: without coins, people had to barter with mostly short-term goods, but coins held value over time and most people would accept it as payment. However, if you had to use, say, carrots, the guy you're trying to buy lettuce from may not need/want carrots, but he can use those coins to buy what he DOES need.
Hope I helped!
Answer:
yo this is just a geuss, i have not even learned about that subject yet, but maybe it is because they did not know How to keep records. Maybe they were not smart enough to keep them. Or maybe it is because they had no access to the technology to keep records. don't fail the class because of my advise though.
Explanation:
Again don't be completly reliant on this answer, i'm literally a middle school student that has no education on this topic. i hope it helps!
