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AP US History
Unit 4 – American Expansion, 1800–1848
Topic 4.4
What innovation drastically changed communication and public information during WWI?
Propaganda posters and leaflets
The typewriter
The photograph camera
Telegraphy
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AP US History - 4.4 America on the World Stage
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WWI
Communication
Innovation
Public Information
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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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