rose16uwu
contestada

Which battle of the Civil War forced a Confederate retreat from Maryland in September of 1862 and resulted in the highest number of casualties for a single day in American military history?


battle of Atlanta

battle of Shiloh

battle of Gettysburg

battle of Antietam ​

Respuesta :

Answer:

I am probably late but it the battle of Gettysburg

Explanation:

B for short