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AP US History
Unit 4 – American Expansion, 1800–1848
Topic 4.9
Which technological innovation greatly affected the agricultural economy of the Southern United States in the 19th century?
The cotton gin
The sewing machine
The steam engine
The telephone
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AP US History - 4.9 The Development of an American Culture
Key terms
Southern United States
19th century
Agricultural Economy
Technological Innovation
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About Us
About Fiveable
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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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