Lee's army invaded the North twice, but was turned back at Antietam and Gettysburg.
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The Battle of Antietam resulted in over 1000 friendly fire deaths after Union troops got confused and
started firing on each other.
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On the run, you will trace through landmarks that signify the days of early American invention including the site in which most
brutal battle in U.S. history occurred: The Antietam Battlefield.