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How did Uncle Sam become a symbol for the United States?

By Paul Bruski, Associate Professor of Graphic Design, Iowa State University

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com.

How did Uncle Sam become a symbol for the United States? Henry E., age 10, Somerville, Massachusetts

Most Americans easily recognize Uncle…

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