Answer:
Following the Battle of_____, President Lincoln issued his Emancipation Proclamation.
Explanation:
<u>The battle of Antietam, </u><u><em>was the first great armed confrontation of the American civil war that took place in northern territory</em></u><u>, which took place on September 17, 1862.
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<em><u>The battle was part of the Maryland Campaign and is the bloodiest in the history of the United States that was fought in a single day, with almost 23,000 casualties.
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<u><em>The answer is</em></u><u>:</u> <u>The battle of Antietam.
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