The Buffer States - or, somewhat more controversially, the Border States (implying that there was an official frontier.)
West Virginia broke apart from the slave state Virginia and joined the Union, but for the most part all slave states were Confederate.
The Union States.
The states that remained loyal during the Civil War were called the Union states, because they believed that we needed to preserve the union. The others were the Confederate states.
The slave states that remained loyal to the Union were Missouri, Kentucky, Maryland, and Delaware.
The Union (Northern states)
All the free states, plus four slave-states that did not vote Confederate and chose to stay loyal.
There were five slave states that remained in the Union. Initially there were four -- Delaware, Maryland, Kentucky and Missouri. West Virgina separated from Virginia when it (Virginia) seceded from the Union. West Virginia was admitted to the Union in 1863 as a slave state. West Virgina remained in the Union making it the fifth slave state not to secede. These five slave states were called border states.
Union. (19-15)the Norththe union statesThe UnionThere were more loyal states than Confederate states. Eleven states joined the confederacy with 23 loyal states. United States territories also stayed loyal. There were four slave states (Maryland, Kentucky, Delaware and Missouri) which stayed loyal and West Virginia seceded from Virginia to stay in the Union.
The Border states, or the Buffer states.
During the Civil War, the slave states that remained in the Union were known as the Border States. These included Delaware, Maryland, Kentucky, and Missouri. These states had legal slavery but chose to stay loyal to the Union, significantly impacting the war's dynamics and policies regarding emancipation.
Weat Virginia Delaware, Maryland, Missouri, and Kentucky were five slave states that did not secede the Union, and the were were called border states.
The states that did not secede from the Union during the American Civil War were known as the "Union states" or "loyal states." These included states like New York, Pennsylvania, and Illinois, among others. Some of them were slave states that remained loyal to the Union, often referred to as the "Border States," such as Kentucky and Missouri. The Union states played a crucial role in the war effort against the Confederacy.