What institution used the Maria A Wook to patrol navigable waterways of the unrecognized country in North American that existed in 1861 to 1865?
USS Maria A. Wood (1861): USS "Maria A. Wood" (1861) was a schooner acquired by the Union Navy during the American Civil War. USS Maria A. Wood (1861):  She was used by the Union Navy as a gunboat to patrol navigable waterways of the Confederacy to prevent the South from trading with other countries. Confederate States of America: The Confederate States of America (CSA or C.S.), commonly referred to as the Confederacy, was an unrecognized country in North America that existed from 1861 to 1865.
Union Navy