Question: What institution used the Maria A Wook to patrol navigable waterways of the unrecognized country in North American that existed in 1861 to 1865?

Context paragraphs:
USS James L. Davis (1861): USS "James L. Davis" (1861) was a bark acquired by the Union Navy during the American Civil War.  She was used by the Navy 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.  The Confederacy was originally formed by seven secessionist slave-holding states – South Carolina, Mississippi, Florida, Alabama, Georgia, Louisiana, and Texas – in the Lower South region of the United States whose regional economy was mostly dependent upon agriculture, particularly cotton, and a plantation system that relied upon the labor of African-American slaves.

USS Maria A. Wood (1861): USS "Maria A. Wood" (1861) was a schooner acquired by the Union Navy during the American Civil War.  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.

USS Orvetta (1861): USS "Orvetta" (1861) was a schooner acquired by the Union Navy during the American Civil War.  She was used by the Navy to patrol navigable waterways of the Confederacy to prevent the South from trading with other countries.

USS Dan Smith (1861): USS "Dan Smith" (1861) was a schooner used by the Union Navy during the American Civil War.  She was used by the Navy to patrol navigable waterways of the Confederacy to prevent the South from trading with other countries.

USS Octorara (1861): USS "Octorara" (1861) was a steamer acquired by the Union Navy during the American Civil War.  She was used by the Navy to patrol navigable waterways of the Confederacy to prevent the South from trading with other countries.

USS Gem of the Sea (1861): USS "Gem of the Sea" (1861) was a bark acquired by the Union Navy during the American Civil War.  She was used by the Navy to patrol navigable waterways of the Confederacy to prevent the South from trading with other countries.

USS Oliver H. Lee (1861): USS "Oliver H. Lee" (1861) was a schooner acquired by the Union Navy during the American Civil War.  She was used by the Navy to patrol navigable waterways of the Confederacy to prevent the South from trading with other countries.

USS Dumbarton (1861): USS "Dumbarton" (1861) was a captured steam operated gunboat acquired by the Union Navy from the prize court during the American Civil War.  She was used by the Navy to patrol navigable waterways of the Confederacy to prevent the South from trading with other countries.

USS Para (1861): USS "Para" (1861) was a schooner acquired by the Union Navy during the American Civil War.  She was used by the Navy to patrol navigable waterways of the Confederacy to prevent the South from trading with other countries.

Supporting paragraphs: USS Maria A. Wood (1861) Confederate States of America
Answer: Union Navy