The South side of the American Civil War became its own nation, called the Confederate States of America, or the Confederacy for short, while the North remained the United States of America and was called the Union. The South was also called Dixie, a nod to the Mason-Dixon line.Click to see full answer. Also to know is, what did the North call the South in the Civil War?In the context of the American Civil War, the Union is sometimes referred to as “the North”, both then and now, as opposed to the Confederacy, which was “the South”.Also Know, why did the North and South have different names for battles? There is a disparity between the sides in naming some of the battles of the war. The Union forces frequently named battles for bodies of water or other natural features that were prominent on or near the battlefield; Confederates most often used the name of the nearest town or man-made landmark. In this manner, what were the names of the North and South in the Civil War? North – The northern states of the United States, also called the Union. Plantation – A large farm in the southern United States. Before the Civil War many of the workers on plantations were slaves. South – A nickname for the Confederate States of America or the Confederacy.What were the nicknames for the Union and Confederate soldiers?In the actual armed conflicts of the Civil War, the two sides had numerous nicknames for themselves and each other as a group and individuals, e.g., for Union troops “Federals” and for the Confederates “rebels,” “rebs” or “Johnny reb” for an individual Confederate soldier.