USS South America was used to block ports and waterways on states commonly referred to as what?
USS South America (1861) USS "South America" (1861) was a whaler purchased by the Union Navy on 9 November 1861 at New London, Connecticut. She was acquired to be sunk as an obstruction in the channel leading to a Confederate port as part of the Union blockade on ports and waterways of the Confederate States of America.
Landlocked country A landlocked state or landlocked country is a sovereign state entirely enclosed by land, or whose only coastlines lie on closed seas. There are currently 49 such countries, including five partially recognised states. Only two, Bolivia and Paraguay in South America, lie outside Afro-Eurasia (the Old World).