original question: Which armed force includes [8th Vermont Infantry]?
answer: union army
answer type: Armed Force.
auxiliary information: The 8th Regiment, Vermont Volunteer Infantry was a three-year infantry regiment in the Union Army during the American Civil War. It served in both major theaters, first in Louisiana and then in Virginia, from February 1862 to June 1865. It was a member of the XIX Corps. The regiment was mustered into Federal service on February 18, 1862, at Brattleboro, Vermont. It was engaged in, or present at, the Occupation of New Orleans, Raceland, Boutte Station, Bayou des Allemands, the Steamer "Cotton," Bisland, and Port Hudson, in the Department of the Gulf, and Opequon, Fisher's Hill, Cedar Creek, and Newtown in the Shenandoah Valley campaign.
The [8th Vermont Infantry] is part of which branch of armed forces?