I believe it is most likely north. But, honestly, I am just making my best guess based on what I have learned about England so far..
Before farming, people hunted animals and gathered plants (such as berries) for food: they're called hunter-gatherers.
They lived in whatever provided shelter: caves were a good candidate, but also huts made from whatver was available (mud, bamboo, wood, etc.).
Benefit of permanency planning, tend to be easier to control
Shortfalls: The children that placed within foster care will most likely grow up without maternal love and loss touch with their heritage.
Benefit of Family presevation would be higher chance of children getting necessary care and attention s they grow up.
Shortfalls: Require a lot of time, patience, and resources from every members of the family.