Final answer:
The Seven Days' Battles were a series of conflicts where the Confederate forces, though suffering greater losses, successfully defended Richmond against Union forces, making the campaign a tactical success for the Confederacy and rendering the claim that it was not successful false.
Step-by-step explanation:
The statement that the Seven Days' Battles was not a successful campaign for the Confederacy is False. This series of conflicts consisted of six major battles over a seven-day period in 1862, with the Confederate army under General Robert E. Lee successfully defending Richmond by forcing Major General George B. McClellan and his Union forces to retreat down the peninsula formed by the York and James Rivers, away from the Confederate capital. Despite suffering greater losses, the Confederate forces were able to prevent the Union Army from capturing Richmond, thereby extending the war.
During the battle of Malvern Hill, the last of the Seven Days' Battles, Lee made a costly decision to attack the well-defended Union positions, resulting in heavy Confederate casualties. However, instead of taking advantage of this Union stronghold, McClellan continued his retreat. Lee's objective to destroy the Union Army was not fully realized, but he succeeded in pushing back McClellan's forces and preserving the Confederate capital for a time, which can be viewed as a tactical success for the Confederacy.