Answer:
C
Explanation:
Westward expansion, the 19th-century movement of settlers into the American West, began with the Louisiana Purchase and was fueled by the Gold Rush, the Oregon Trail and a belief in "manifest destiny."
Answer:
But that all changed with Marbury v. Madison, an 1803 milestone case that established the Supreme Court's power of judicial review, by which it determines the constitutionality of executive and legislative acts. Judicial review is another key example of the checks and balances system in action.
Explanation:
Great plains is known for the mountains
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