American Civil War Uniforms- The Union and the Confederacy wore different uniforms to distinguish from eachother during the Civil War. The Union typically wore navy blue long frock coats while the Confederates wore grey on frock coats that were a tad shorter.
Great Britain is the official name given to the two kingdoms of England and Scotland, and the principality of Wales. The United Kingdom (UK) includes these areas as well as Northern Ireland. Britain refers to only England and Wales, though some will shorten Great Britain with this term.