<prompt> Qedela le nkulumo elandelayo: Ivy yayikhona futhi lapho kudlula amabhethri aseVicksburg, eMississippi, ngemikhumbi ka-Admiral David Dixon Porter ngo-16 kuya ku-17 Ephreli 1863. Njengoba yayiboshelwe ohlangothini lwabanamandla, i-Ivy yadlula ngesibindi iVicksburg, yavula imisebenzi eningizimu yedolobha eya ePorter futhi yaba negalelo elibalulekile ekuweni kweVicksburg  <response>: IGrand Gulf futhi ekugcineni yathatha iVicksburg. 