<prompt> Qedela le nkulumo elandelayo: IWissahickon yakhiwa ePhiladelphia, ePennsylvania. Ethunywe ngoNovemba 1861, ekuqaleni wakhonza eGulf of Mexico naseMfuleni iMississippi, lapho ngo-Ephreli-Julayi 1862 wabamba iqhaza ekubanjweni kweNew Orleans, ukuhlaselwa kwe  <response>: IGrand Gulf, ukugijima kabili kudlule izinqaba ze-Confederate ezilawula umfula eVicksburg kanye nokulwa ne-ironclad. 