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AP US History
Unit 5 – Civil War and Reconstruction, 1848–1877
Topic 5.3
How might American history look different if President James K. Polk failed in his attempts to initiate hostilities with Mexico?
It would've delayed Louisiana Purchase and Lewis & Clark Expedition because of border tensions with Mexico.
America may not have gained much of its current southwestern territory through Treaty of Guadalupe Hidalgo.
There wouldn't be any significant effect on American history apart from a peaceful relationship with Mexico.
America would be smaller compared to its present size due to lack of eastern expansion.
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AP US History - 5.3 The Mexican–American War
Key terms
Mexico
Initiate Hostilities
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About Fiveable
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Resources
Cram Mode
AP Score Calculators
Study Guides
Practice Quizzes
Glossary
Crisis Text Line
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© 2024 Fiveable Inc. All rights reserved.
AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.
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