border states
because
The Border States were a key part of the US Civil War. They were slave states that did not join the Confederacy, it was important for the Union to prevent that they did not secede and join the South.
Slavery was legal in the border states. However, since they did not secede to join the Confederacy, they were not included in the Emancipation Proclamation.
the border states didnt secede to the union or the confederacy the five border states arewest virginiamarylanddelewarekentuckymissouri
the border state
The Confederate border states were Delaware, Maryland, Kentucky, and Missouri. Although these states were geographically located on or near the border between the North and South, they did not secede from the Union to join the Confederacy during the American Civil War.
Virginia
The three border states during the US Civil War were Missouri, Kentucky and Maryland. The were slave states but did not join the Confederacy. Delaware also had slaves and was not "on the border" between the North and the South
Virgina joined
I bealive that it was Virginia. E.N.R.
VIRGINIA