I think it’s the spinning wheel.
Answer/Explanation:
An irrigation system represents a stable food supply because it is how they controlled water to be able to plant crops. A second most important artifact that is in the category of stable food supply is the plow. Agriculture produced enough food that people became free to pursue interests other than worrying about what they were going to eat that day.
This should help because plantation owners in the south had a good thing going and we’re getting rich off of cotton and tobacco using slaves
I know this for 100% it is A. they're convenient , I know this one for sure 100% positive hope it helps
