▁an ▁art illery ▁batt alion ▁of ▁Lieutenant ▁General ▁James ▁Long street ’ s ▁I ▁Corps , ▁Army ▁of ▁Northern ▁Virginia , ▁by ▁rail road ▁from ▁Virginia ▁to ▁Georgia ▁to ▁rein force ▁General ▁Bra xt on ▁B rag g ’ s ▁Army ▁of ▁Tennessee . ▁The ▁troops ▁began ▁arriv ing ▁at ▁the ▁C ato osa ▁Platform , ▁Georgia ▁on ▁September ▁ 1 9 , ▁having ▁begun ▁their ▁journey ▁from ▁Virginia ▁on ▁September ▁ 9 . ▁Ult imately , ▁only ▁ 5 ▁of ▁Long street ’ s ▁ 1 0 ▁inf antry ▁brig ades ▁arrived ▁in ▁time ▁to ▁particip ate ▁in ▁the ▁Confeder ate ▁victory ▁at ▁Ch ick am aug a . ▁Following ▁their ▁defeat , ▁the ▁troops ▁of ▁M G ▁William ▁Rose cr ans ’ ▁Army ▁of ▁the ▁C umber land ▁fell ▁back ▁to ▁Ch att ano oga , ▁Tennessee ▁where ▁they ▁were ▁surrounded ▁by ▁the ▁Confeder ates ▁who ▁occupied ▁the ▁height s ▁surrounding ▁the ▁town . ▁ ▁On ▁the ▁evening ▁of ▁September ▁ 2 3 , ▁ 1 8 6 3 , ▁Secretary ▁of ▁War ▁Ed win ▁St anton ▁conven ed ▁a ▁meeting ▁with ▁President ▁Lincoln , ▁Major ▁General ▁Henry ▁Halle ck , ▁Secretary ▁of ▁State ▁William ▁S ew ard ▁and ▁Tre as ury ▁Secretary ▁Sal mon ▁Ch ase ▁to ▁review ▁plans ▁to ▁rein force ▁and ▁rel ieve ▁the ▁Army ▁of ▁the ▁C umber land ▁with ▁troops ▁from ▁other ▁Union ▁depart ments . ▁Major ▁General ▁William ▁T . ▁Sh erman , ▁with ▁ 4 ▁divisions ▁of ▁the ▁Army ▁of ▁the ▁Tennessee , ▁was