From 1861 to 1865, the Confederate states were South Carolina, Mississippi, Florida, Alabama, Georgia, Louisiana, Texas, Virginia, Arkansas, North Carolina, and Tennessee. The Confederate states were defeated in the Civil War and they surrendered to the Union. The events of secession were part of the reason for starting the war, and caused tensions to increase until the first battle. This event was important because it showed how divisive the slavery issue was in America and how strong the Union was.
The bordering states that remained in the Union were Delaware, Kentucky, Maryland, Missouri, and West Virginia. These were border states in the Union from 1861 to 1865, the entirety of the Civil War. They were loyal to the Union while still preserving slavery and they provided resources for the troops. Soldiers also came from these states as well and many battles were fought near these states. They affected the outcome because they were home to a lot of agriculture and animals, which gave the Union a lot of food resources while fighting. They also gave a lot of manpower for the Union. This was important because it showed not all slave states seceded from the Union. It showed their loyalty to the Union and also made it much more complicated on the subject of whether or not to free slaves throughout the entire country.