Answer:
In a time before there was money people would use the barter system to exchange goods, for example of you where a rice farmer you would trade rice for things you needed. Unfortunately sometimes the people who had what you need would not need what you have.
Explanation:
A drawback occurred in the melody because of a miscommunication in the counterpoint. I think that's ok ?
Stern is a serious and unrelenting manner usually in a authoritative way while yearns is an intense feeling of longing for someone lost or that you separated from.
Answer:
The cement mixers that made concrete were used by the builders.
