Answer :
Final answer:
The Battle of Antietam, the bloodiest single day in American history, resulted in significant outcomes such as Lincoln's Emancipation Proclamation.
Explanation:
The Battle of Antietam occurred in September 1862 in Maryland, representing the bloodiest single day in American history with over 23,000 men killed or wounded. Despite being a technical tie, it was considered a loss for the South as it led to significant outcomes like Lincoln's Emancipation Proclamation shifting the war aims from simple union to Emancipation.
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