Bishii Maajo 1864 waxaa loo wareejiyay taliskii gaashaandhigga intii lagu jiray go'doomintii Petersburg. Bishii Diseembar 12, 1864, Madaxweyne Abraham Lincoln wuxuu u magacaabay Abbot inuu u magacaabo darajada brigadier general ee mutadawiciinta si uu u qiimeeyo laga bilaabo Ogosto 1, 1864 iyo Senate-ka Mareykanka ayaa xaqiijiyay magacaabista Febraayo 20, 1865. Bishii Diseembar 1864 waxaa loo magacaabay in uu ahaado taliyaha dhamaan hubka duqeynta ee Ciidanka Potomac iyo Ciidanka James ee ku hareereysan Petersburg. Bishii Janaayo 1865 General Alfred H. Terry wuxuu ka codsaday General Abbot inuu la socdo ciidankiisa socdaalka ee Fort Fisher. Abbot wuxuu hogaaminayay guutada ku meel gaarka ah ee hubka duqeynta intii lagu jiray dagaalkii labaad ee Fort Fisher
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