<prompt> Ngwala go tšwela pele bakeng sa serapa se - Greer o ile a hlatlošetšwa go ba molaodi wa lefotenente gomme a hlankela go tloga ka 1862 go ya go 1863, gomme ka morago a abelwa go Rear Admiral David Dixon Porters Mississippi Squadron. Ge a be a le taolong ya dikepe tša ntwa, o ile a tšea karolo lesolong la Vicksburg le tlhaselong ya Grand Gulf  <response>: gotee le lesolo le le paletšwego la Union Red River mathomong a 1864. 