“Uncle Sam” cartoon was published for the first time in 1852. Frank Bellew developed the cartoon for The New York Lantern, a newspaper.
Uncle Tom’s Cabin, written by Harriet Beecher Stowe, was published in 1852. Over 300,000 copies of the book were sold in the first year of publication. Some experts believe the book was a catalyst for the Civil War. Children can read Uncle Tom’s Cabin at: http://www.gutenberg.org/.