I think it might be the 3/5 compromise. more context?
Answer:
Jamestown: The first successful settlement in the Virginia colony founded in May, 1607. Harsh conditions nearly destroyed the colony but in 1610 supplies arrived with a new wave of settlers. ... Jamestown grew to be a prosperous shipping port when John Rolfe introduced tobacco as a major export and cash crop.
Explanation:
The Western and Eastern boundaries were not very strict defined: it was the desert, as the Egyptian civilization run along the Nile: there was no farming and no life away from the Nile.
To the North, Egypt was restricted by the Meditteranean.
To the south the border was moving, also by manner of wars. They were often set on the cataracts, as they're impassable by boat and easy to defend.
Its d because a prisoner is in jail so that person cant vote that makes no sense