Twenty-five states made up the Union during the civil war. These include five slaves states that were referred to as border states. Nevada and West Virginian became states during the Civil War and joined with the Union states.
Twenty free states and five slave states (West Virgina joined in 1863) made up the Union States.
23 states
Seven seceded before Fort Sumter, and four more immediately after it. Total eleven states of the Confederacy.
25 of the 33 existing states in the United States had sided with the union by the end of the Civil War.
The union had many troops no one knows the exact amount!
12,000
Roughly about 50
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.
All New England states remained in the Union during the Civil war.
11 States
There were 23 states that fought on the side of the Union during the Civil War.
There were 34 States in the Union when the Civil War began.
About 22 million citizens lived in the Union during the Civil War
For the Union: 23; for the South: 11 Additionally, all border states sent forces to fight for the South and the North.
Seven seceded before Fort Sumter, and four more immediately after it. Total eleven states of the Confederacy.
Abraham Lincoln and many other people in the Union.
With exception of Delaware many battles took place on their territories.
During the Civil War, the United States was divided into the Union and the Confederacy. Twenty states belonged to the Union, and there were also four border states that did not secede from the United States, but also did not give up slavery. The Confederacy had eleven states.
Delaware, Kentucky, Maryland, and Missouri were four slave states that did not secede from the Union. West Virginia, another slave state, seceded from Virginia and joined the Union during the Civil War. it was 4 that didn't secede from the union.