Installation view of An Incomplete History of Protest: Selections from the Whitney’s Collection, 1940–2017 (Whitney Museum of American Art, New York, August 18, 2017–). From left to right: Kara Walker, Confederate Prisoners Being Conducted from Jonesborough to Atlanta, 2005; Kara Walker, Alabama Loyalists Greeting the Federal Gun-Boats, 2005; Kara Walker, Exodus of Confederates from Atlanta, 2005; Jeffrey Gibson, I Know You Have A Lot of Strength Left, 2017; Andrea Bowers, Wall of Letters: Necessary Reminders from the Past for a Future of Choice #5, 2006. Photograph by Ron Amstutz