What were the states involved the battle of Bull Run?

The Battle of Bull Run, fought on July 21, 1861, primarily involved the Union and Confederate forces during the American Civil War. The Union army was composed mainly of troops from various Northern states, while the Confederate army consisted of soldiers from Southern states, particularly Virginia, where the battle took place. Notably, Virginia played a crucial role in the conflict, as it was the battleground and home state of many Confederate soldiers.