All the free states, plus four slave-states that did not vote Confederate and chose to stay loyal.
The initial cause of the Civil War was that states pulled out of the Union.
During the civil war there were 24 states in the union including the border states. but there was 23 states that remained loyal to the union during the war.
There were 34 States in the Union when the Civil War began.
The civil war was the name of the war?
West Virginia and Nevada both became states during the American Civil War, and both were Union states.West Virginia and Nevada became states during the American Civil War, and both were Union states.
The union, which is the north. the south were gray.
The states that remained part of the United States and fought the Confederacy during the Civil War.
union
Abraham Lincoln was the President of the United States, or Union, during the US Civil War.
Maryland, Delaware, Missouri, and Kentucky were border states that remained with the union during the civil war.
All New England states remained in the Union during the Civil war.
The Union is all of the Northern states. The Confederacy is the South.