<prompt> Tlatša polelwana ye e latelago: Ivy e be e le gona gape bakeng sa go feta ga Vicksburg, Mississippi, dibetri ke dikepe tša Admiral David Dixon Porter 1617 April 1863. Ka ge e be e kgokagantšwe le ba matla, Ivy e ile ya feta Vicksburg ka sebete, ya bula madira ka borwa bja motse go ya go Porter gomme ya tsenya letsogo kudu go wa ga  <response>: Grand Gulf gomme mafelelong ya lebiša go thopeng ga Vicksburg. 