A Union state.
Illinois was a Union state during the Civil War.
Minnesota was a Union State during the Civil War.
Union state in the civil war with is North and was anti slavery
it was part of union
Mississippi was a Confederate State.
It was in neither Union or Confederate state. Colorado didn't become a state til a couple of years later, about 11 years after the civil war ended; in 1 August 1876.
Union. Maryland was an Union Border state but this counted Union of course.
Tennessee was the last state to leave the Union and join the Confederacy at the outbreak of the U.S. Civil War in 1861, and the first confederate state to be readmitted to the Union at the end of the war.Nebraska became the 37th state in 1867, shortly after the American Civil War.
During the Civil War New York was a Union state.
The border state of Maryland was a central state in the US Civil War, and had the border state of Delaware on its east, the Union State of Pennsylvania to its north, and the Confederate state of Virginia to its south.
It wouldn't matter. After the Civil War ended and the Union was restored, Confederate citizenship became as irrelevant as Confederate money.