(A) This was the site of the first ironclad ship battle.
(B) ** The bloodiest single-day battle of the Civil War, the attempt by Lee to invade the North was stopped.
(C) This battle was the turning point in the war, showing England and France that the Confederacy had the clear advantage.
(D) After this battle, McClellan was promoted by Lincoln for pursuing Lee’s beaten troops.
EXPLANATIONS BELOW
Concept note-1: -Antietam, the deadliest one-day battle in American military history, showed that the Union could stand against the Confederate army in the Eastern theater. It also gave President Abraham Lincoln the confidence to issue the preliminary Emancipation Proclamation at a moment of strength rather than desperation.
Concept note-2: -Most importantly, Union victory at Antietam provided President Abraham Lincoln the opportunity he had wanted to announce the Emancipation Proclamation, making the Battle of Antietam one of the key turning points of the American Civil War.
Concept note-3: -The Battle of Antietam remains the bloodiest single day in American history. The battle left 23, 000 men killed or wounded in the fields, woods and dirt roads, and it changed the course of the Civil War.