Answer:
D. The urbanization of many Northern cities in response to expanded industrialization
Explanation:
A P E X
Many slaves were brought from Africa
The Vassals would give their loyalty to their lord or king.
Where did aristocrat come from???
The people that were foragers were the archiaic people.
The period that included the clovis and folsom was the paleo.
The bufalo was vitally important to the early plains peopl, i think.
The people that became farmers were the woodland people.