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AP US History
Unit 3 – Conflict and American Independence, 1754–1800
Topic 3.11
What technological innovation was instrumental in westward expansion during the 19th century?
The construction of railroads.
The discovery of electricity.
The invention of the steam engine.
The development of refrigeration technology.
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AP US History - 3.11 Developing an American Identity
Key terms
Westward Expansion
19th century
Technological Innovation
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About Us
About Fiveable
Blog
Careers
Testimonials
Code of Conduct
Terms of Use
Privacy Policy
CCPA Privacy Policy
Resources
Cram Mode
AP Score Calculators
Study Guides
Practice Quizzes
Glossary
Crisis Text Line
Request a Feature
Report an Issue
© 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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