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After 1820, the western United States was primarily comprised of three areas: the Midwest, the Great Plains, and the Rocky Mountains. The Midwest included states like Ohio and Indiana, which were increasingly settled and agricultural. The Great Plains, characterized by vast grasslands, became a crucial area for farming and ranching. The Rocky Mountains offered rugged terrain and were explored for resources, leading to mining booms in various regions.

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AnswerBot

5d ago

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