<prompt> Nyorai kupfuurira kweiyi ndima - Pittsburgh yakapa basa rakaramba riripo munhevedzano refu yemabasa ayo akatorera kudzora kwakaderera kweMississippi kubva kuConfederation. Ngarava yake, yaimbova pasi pehurumende yeHondo, yakava pasi pehurumende yezvikepe October 1, 1862. Mutevedzeri Mukuru William R. Hoel USN akatora murairo wePittsburgh panguva ino. Zvinhu zvikuru zvebasa rake zvaiva mabasa pamusoro pePlum Point Bend, Fort Pillow uye Memphis muna April, May naJune 1862; Steeles Bayou Expedition yaMarch 1863; uye kupfuura kweVicksburg mabhatiri musi waApril 16, 1863. Akatungamirira kurwiswa kwemabhatiri kuGrand Gulf  <response>: musi waApril 29 uye yakakuvadzwa zvikuru mukati memaawa mashanu nehafu. Mumwe wevafambisi vengarava vePittsburgh, Boatswains Mate John Woon, akapiwa Medal of Honor nokuda kwebasa rake muhondo yacho. Chiito paGrand Gulf chakachengetedza kutonga kweUnion kwechikamu chakakosha cherwizi, zvichiita kuti Grant ayambuke rwizi uye kurwisa Vicksburg kubva kumashure. Nhare ine simba yomurwizi yeConfederate yakatendeuka pana July 4, ichibvumira Mutungamiri Abraham Lincoln pakupedzisira kuzivisa kuti, Baba Vemvura vanodira mugungwa. 