All of above hope this helps mark me brainliset
The most accurate answer is
D. In the northwest of the United States
In the 1800's most American's lived in the East Coast
The reason why most Americans moved to the east was because
most of them would be slaves or farmers looking for their own land. Some people worked for people though like some people would farm others land.
Glad to help :)
If it's multiple choice then it'd be California and New Mexico.
Answer:
The scientific method.
Explanation: Hope this helps.