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AP US History
Unit 5 – Civil War and Reconstruction, 1848–1877
Topic 5.1
What key technology was pivotal to communication development in late-19th-century America?
The telephone
The steamboat
The printing press
The cotton gin
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AP US History - 5.1 Contextualizing Period 5
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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
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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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