Answer :
Final answer:
Manifest Destiny drove westward expansion, leading to conflicts and shaping U.S. history.
Explanation:
History of Westward Expansion and Manifest Destiny
The westward expansion movement in the 1840s was driven by Manifest Destiny, a belief that justified American expansion across the continent. This expansion led to conflicts among cultural groups and nationalities, such as the Buffalo Soldiers fighting for the U.S. government's interests.
Impact of Westward Expansion
Settlers, soldiers, and miners played crucial roles in expanding the boundaries of the United States, with events like the Civil War influencing migration patterns. The movement eventually transitioned towards imperialism after the U.S. frontier closed in 1890.
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