Sherman’s march to the sea showed how decentralized modern armies could wreak havoc for civilians. The Union code authorized most of the destruction Sherman himself ordered, but the law was incapable of constraining the unauthorized violence that the march unleashed.
Credit: William Waude, Sherman's March Through South Carolina - Burning of McPhersonville, February 1, 1865, from Harper’s Weekly, March 4, 1865, courtesy of the Library of Congress Prints and Photographs Division.