Which statement best describes the result of the battle of antietam?

Neither side won, but it was a victory for the South. Confederate troops won the Battle of Antietam decisively. Union troops won the Battle of Antietam decisively.

Hello,

The Battle of Antietam , also known as the Battle of Sharpsburg, particularly in the Southern United States, was fought on September 17, 1862, between Confederate General Robert E. Lee's Army of Northern Virginia and Union General George B. McClellan's Army of the Potomac, near Sharpsburg, Maryland.

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Idon't know the answer is