<prompt> Pedzisa mutsara unotevera: Ivy yakanga iripowo nokuda kwekupfuura kweVicksburg, Mississippi, mabhatiri neAdmiral David Dixon Porters ships 1617 April 1863. Yakasungwa parutivi rwevane simba, Ivy yakapfuura noushingi Vicksburg, ichivhura mashandiro kumaodzanyemba kweguta kuPorter uye ichibetsera zvikuru kuwa kwe  <response>: Grand Gulf uye pakupedzisira kukunda Vicksburg. 