<prompt> Feleletša polelo e latelago: Wissahickon e agilwe kua Philadelphia, Pennsylvania. O ile a laelwa ka Nofemere 1861, mathomong o ile a hlankela kua Gulf of Mexico le Nokeng ya Mississippi, moo ka April-July 1862 a ilego a tšea karolo go thopeng New Orleans, go thuntšhwa ga  <response>: Grand Gulf, e feta ka makga a mabedi ka gare ga meago ya tšhireletšo ya Confederate yeo e laolago noka kua Vicksburg le go lwa le dikepe tša ntwa. 