Answer :
Most of the states that joined the Union six years after the war were located in the west of the Appalachian Mountains.
The Union and the Confederates war
This was the American civil war. This war was fought between the north and the south of the United States.
The civil war had the North trying to stop the south from the use of slaves. The south refused and tried seceding instead.
Read more on the civil war here:
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