Explanation:
Trade routes to market were cut off by war, either water ways or roads. Farmers could not plant surpluses because they might not be able to sell the excess and it would just rot on their fields. Herds of cattle and horses were depleted either by the plundering of the British or as provisions for the Continental Army.
So they (the slaves) were treated bad because they weren't considered human beings
Answer:
The willingness and ability to offer a given good or service for sale is called. supply.
Explanation:
Africa my guy, or even North America I really don’t know just bypass this answer