Angela Zimmerman is a professor of history at the George Washington University. Her research focuses on revolutions and empires in the United States, West Africa, and Europe. She is the author of Anthropology and Antihumanism in Imperial Germany (2001) and Alabama in Africa: Booker T. Washington, the German Empire, and the Globalization of the New South (2010). She has also edited Karl Marx and Friedrich Engels, The Civil War in the United States (2016). She is currently writing a history of the American Civil War as an international revolution.