with our new Map Zoom feature. 1864 saw the Union army make substantial gains against the Confederate forces in the American Civil War. Grant, replacing Halleck, took the risky gamble of attacking ...

Map: American Civil War (Eastern Theater). Source: TheCollector.com The battle of Antietam—Charge of Burnside 9th Corps on the right flank of the Confederate Army. E. Forbes, September 17, 1862.