Question

What impact did the battle of antietam have on U.S History?

Answer 1

Geographic contours forced the bulk of Union troops down a narrow slot heading towards the foot of the bridge

Step-by-step explanation:

Answer 2

The battle ended the Confederate invasion of Maryland in 1862 and resulted in a Union victory. It also led to President Abraham Lincoln issuing the Preliminary Emancipation Proclamation on September 22, 1862. In 1862, the American Civil War was entering its second year.