How did the Battle of Antietam and its aftermath have a profound and lasting impact on the civilians near the battlefield? Objective 1. Name three impacts of the Battle of Antietam on the local citizens. 2. Explain what happened to the Mumma farm and Mumma family during the Battle of Antietam. 3. Use primary and secondary sources to perform historic research. 4. Analyze and interpret a historic building, structure, or site in their community. 5. Demonstrate the value of historic places. Background The Bloodiest Day in American History 23,000 soldiers were killed, wounded or missing after twelv Duration: 90 Minutes.