Final answer:
The Twelth Amendment is not one of the 'Civil War Amendments'.
Step-by-step explanation:
The Twelth Amendment is NOT one of the 'Civil War Amendments' or one of the constitutional amendments adopted soon after the Civil War. The amendments that are considered as the 'Civil War Amendments' include the Thirteenth, Fourteenth, and Fifteenth Amendments.
Learn more about Civil War Amendments