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About

Amy Greenberg

Amy S. Greenberg is George Winfree Professor of History at Penn State University. She
is the author of five books, including A Wicked War: Polk, Clay, Lincoln and the 1846 U.S.
Invasion of Mexico (Knopf, 2012), Manifest Destiny and American Territorial Expansion: A
Brief History with Documents (Bedford/St. Martin’s, 2012), and, most recently, Lady First:
The World of First Lady Sarah Polk (Knopf, 2019).