Question: What battle was fought by Greenwich Union soldiers, in which General Mead's Army of the Potomac defeated General Lee's North Virginia Army resulting in the largest number of casualties in a single war?
Sentence (from "Battle of Amelia Springs"): That battle would be the last major engagement between the Union Army under the overall direction of Union General-in-Chief, Lt. Gen. Ulysses S. Grant, and General Robert E. Lee's Army of Northern Virginia before that Confederate army's surrender at Appomattox Court House, Virginia on April 9, 1865.
Relevant evidence: No