The two sides of the American Civil War were the United States of America and the Confedreate States of America. The US was commonly referred to as the Union, while the CSA was referred to as the Confederates or the Rebels.
The two sides of the Irish Civil War were the "Republicans" and the "Free Staters".
The civil war was the North and south or the Union and Confederates
The Central Powers and the Allies.
There are a great many names for the American Civil War depending on where you're from. I'll list a few of them. The War Between the States (officially adopted name) The War of Northern Agression The War of Southern Succession The Late Unpleasantness (used after the end of the Civil War) There are a great many others! I recommend studying this time period to get a greater feel for the opinions on both sides, and some of the names they came up with in both the North and the South.
The two sides were referred to as the Red Army (Bolsheviks and their revolutionary supporters) and the White Army ( nonrevolutionaries who either wanted the Tsar restored to the throne or depose Lenin and the Bolsheviks. In addition to the Reds and Whites there were the Greens, who were anarchists.
The two sides of the Irish Civil War were the "Republicans" and the "Free Staters".
Assuming that you mean the Civil War that took place in the United States - two alternate names are The War Between the States, and the The War of Northern Agression.
The two opposing sides in a conflict or war can vary depending on the context. For example, during the American Civil War, the opposing sides were the Union and the Confederacy. In World War II, they were the Allies and the Axis powers. Each conflict has its own specific names for the factions involved.
Union and confederate
the two sides during the US civil war were the union (North) and the confederacy (south)
Both sides in the Civil War were Americans. By definition a civil war occurs when two factions within a country go to war.
The civil war was the North and south or the Union and Confederates
ANSWER The American Civil War
There was the North (Union) and the South (Confederacy).
rebs and yanks
parliament and royalists
I think you are going for the idea of civil war.