The most popular image of Uncle Sam is based on a World War I military recruiting poster drawn by James Montgomery Flagg, which features a stern Uncle Sam pointing an index finger outward and the ...

Uncle Sam: Special Election Edition is out now, reentering the zeitgeist just as American politics may be more divisive than any point since the Civil War. It wasn’t a matter of quality.

Those posters, which showed Uncle Sam pointing at the viewer accompanied by the straightforward tagline of “I want you for U.S. Army,” cemented the symbol’s place in U.S. history.