The term 'Confederacy Opponent' can be summarized by two crossword solutions: UNION (5 letters) and Toole (5 letters). The UNION was the name of the northern states during the American Civil War, which opposed the Confederate States of America, also known as the Confederacy. The UNION was led by President Abraham Lincoln and General Ulysses S. Grant. Toole was a UNION general who fought in the Battle of Shiloh in 1862. He was later promoted to major general and commanded the Army of the Tennessee.