No. It was one of the buffer-states - slave-states that did not vote Confederate.
Delaware was a Union state
Yes.
Minnesota was a Union State during the Civil War.
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.
Mississippi was a Confederate State.
Florida was a Confederate state
Illinois was a Union state during the Civil War.
It was a Confederate State.
it was part of union
Oklahoma was not a state during the 1860's and was considered to be "Indian Territory" and initially controlled by the Confederate States.
The Confederate state of Arkansas was in an uncomfortable position during the US Civil War. It was not a strategic priority for either side, yet there were five battles there and over 700 military related events.