The border state of Maryland remained in the Union during the US Civil War and was a slave holding state. Washington DC is surrounded by Maryland and by the Potomac River.
It was warlike because the union capital Washington D.C would have been totally surrounded by enemy states.
In the US civil war, the union meant the United States and its capital remained in Washington, DC.
The capital of the Union States was Washington D.C.
Washington D.C.Washington,D.C.
Maryland
The people of Maryland had a long tradition of slave-holding and ties to the south. They wanted to secede from the Union, but President Lincoln would not allow it. Maryland surrounded the capital of the US on three sides and if they seceded, the capital would have to secede also.
washington,d.c.
The Union capital was Washington D.C. and the Confederate capital was Richmond, Virgina.
The union capital stayed in Washington, DC.
The Capital of the US- Washington DC, is SOUTH of Maryland. If Maryland became part of the Confederacy, the US Capital would be surrounded by the Confederate States. And THAT would be rather awkward.
When the Union and Confederacy waged war, and the Union won, Washington decided to move the capital to Washington DC, which is in Maryland.
The Union's capital during the American Civil War was located in Washington, D.C.