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 :)
D.) Artists were drawn to the dark realities of war, exploring realism in the terms of trenches and death
The nation is a community that shares a "government".
Hope this helps!
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Thanks!
-Charlie