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?
Sentence (from "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.
Relevant evidence: Yes