Answer:
Option D, Antietam
The battle of Antietam was the "eagle victory for Lincoln
Explanation:
On September 17, the Union repulsed the Confederation invasion at Antietam which was marked by 23,000 causalities in one day. Prior to this, Lincoln and secretary of State William Seward were fearing for defeat but they waited for the flight of eagle victory i.e the “the fight owning to invasion at Antietam” which changed the phase of war and led to northern victory. Hence, Option D is correct
