Missouri, Kentucky, Maryland and Delaware. West Virginia split from Virginia during the Civil War to become a state on the side of the Union.
Maryland, Delaware, Missouri, and Kentucky
Border states were slave states that stayed in the Union and fought on the side of the North during the Civil War. These states were Missouri, Kentucky, West Virginia, Maryland, and Delaware.
15 slave states and 19 free states during the American Civil War
11 states
Kentucky, Maryland, Delaware, West Virginia
These were the two biggest border-states - that is, slave-states of the Upper South, that had stayed loyal to the Union. With these states, Lincoln had to be especially diplomatic, to persuade them not to go Confederate.
The slave states during the Civil War were:AlabamaArkansasDelawareFloridaGeorgiaKentuckyLouisianaMarylandMississippiMissouriNorth CarolinaSouth CarolinaTennesseeTexasVirginia
They were the slave-states that stayed loyal to the Union. Lincoln treated them tactfully, and allowed them to continue practising slavery during hostilities, for fear of driving them into the arms of the Confederacy.
It was one of the four slave-states of the Upper South that stayed loyal - a big issue with Lincoln.
These states were known as boarder sates. They were slave states which bordered the Union.
Maryland, Delaware, Missouri, and Kentucky were border states that remained with the union during the civil war.