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In the spring of 1861, the United States of America split into two hostile countries—the United States and the new Confederate States of America. The two opposing heads of state agreed about what was causing the rupture—the long...
The Progressive Era to the New Era, 1900-1929
We should not accept social life as it has "trickled down to us," the young journalist Walter Lippmann wrote soon after the twentieth century began. "We have to deal with it deliberately, devise its social organization, . . . educate...
A World War II poster: "Starve the Squander Bug," 1943
Before he became world-renowned as Dr. Seuss for his children’s books and illustrations, Theodor Geisel worked for the US government during World War II designing posters such as this one, encouraging patriotism and investment. The...
Philadelphia and the Constitutional Convention "Heat Up"
Background Little did William Penn know that his plans for a "Great Towne," set up in rectangular form between the Schuylkill and Delaware Rivers, would become the site of some of the most important meetings in our nation’s founding,...
Revolutionary in America
The image is so clear in our minds, seen first in elementary school and reinforced countless times since: a few dozen gentlemen with powdered wigs and period suits (coats, waistcoats, and knee-length breeches) gathered in a large...
The Preamble to the US Constitution, the Pledge of Allegiance, and the Declaration of Independence
Unit Objective This unit is part of Gilder Lehrman’s series of Common Core State Standards–based teaching resources. These units were developed to enable students to understand, summarize, and analyze original texts of historical...
American Symbols: The Flag, the Statue of Liberty, and the Great Seal
Unit Objective This unit is part of Gilder Lehrman’s series of Common Core State Standards–based teaching resources. These units were written to enable students to understand, summarize, and analyze original texts of historical...
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