(A) Antietam
(B) ** Gettysburg
(C) Fort Henry
(D) Shiloh
EXPLANATIONS BELOW
Concept note-1: -The Battle of Gettysburg fought on July 1–3, 1863, was the turning point of the Civil War for one main reason: Robert E. Lee’s plan to invade the North and force an immediate end to the war failed.
Concept note-2: -The battle of Gettysburg (July 1-3, 1863) is considered the turning point of the Civil War. Gen.
Concept note-3: -In a must-win clash, Union forces halted the northern invasion of Robert E. Lee’s Confederate Army.