Answer:
Battle of Antietam
Explanation:
Beginning early on the morning of September 17, 1862, Confederate and Union troops in the Civil War clash near Maryland's Antietam Creek in the bloodiest single day in American military history.
When he was eight years old he worked in a shipyard under Hugh Auld at Baltimore. He had the opportunity to read and write and be literate. It was the time he set a goal Baltimore to start his dreams on laying the ground of being free. At a young age, he became driven to work and join abolitionist organizations.
The claim of executive privilege generally relates to communications between the Executive Branch and other branches of government, since these are often the most secret.
The north because there was no slavery and africans were free