which of the following was the significance of the battle of antietam relative to the emancipation proclamation?

a.

the union victory gave lincoln the strength and support needed for the issuance of the proclamation.

b.

the site served as the location where lincoln declared the proclamation.

c.

the confederate victory fueled more anger over the loss of life of african americans.

d.

it highlighted the weakness of the union, prompting lincoln to reverse his course of action by issuing the proclamation.