The largest city in the state of Louisiana located in the Mississippi delta.
The city if New Orleans aka The Big Easy is the largest city in the state of Louisiana and one of the major US ports according to Wikipedia. New Orleans was founded in 1718 by French Mississippi Company and named of the French city of Orléans. It is one of the few major cities in the world that at least partially is located below the sea level
New Orleans and the state of Louisiana has become part of the United States' Louisiana Purchase in 1803 and was part of the Confederate States of America leading up to and through the American Civil War.