Mezue ahịrịokwu na-esonụ: Mgbe ahụ, e nyefere ndị agha Confederate nke John C. Pemberton na-echebe akụkụ ụfọdụ nke Mississippi. E merụrụ Guibor ahụ n'ọgụ egbe egbe na ndị agha Federal na-aga n'osimiri na
Agha Grand Gulf. E jidere Guibor na ndị agha Pemberton na ọdịda nke Vicksburg, Mississippi.