 Gore rakatevera racho, Mauto eUnion eGulf aitungamirirwa naMajor General Nathaniel P. Banks akakomba Port Hudsonkweanodokusvika masvondo masere, kukombwa kwenguva refu zvikurusa munhau yehondo yeU.S. MaConfederates akaedza kudzivirira neBayou Teche Campaign asi akazvipira mushure meVicksburg. Kuzvipira kuviri uku kwakapa Union kudzora Mississippi yose. 