I think the answer is A
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C...................................................
Answer:
The victory at the battle of Antietam gave Abraham Lincoln a platform to issue the Proclamation from a position of strength
Explanation:
This changed the character of the Civil War and prevented the European powers from intervening on behave of their trading partners of the southern Confederacy
<span>The first thing that the states (former colonies) did after the Declaration of Independence was the following: </span>