▁while ▁Jackson ▁had ▁the ▁divisions ▁of ▁John ▁R . ▁Jones , ▁Alexander ▁Law ton , ▁A . P . ▁Hill , ▁and ▁D . H . ▁Hill . ▁ ▁The ▁Northern ▁Virginia ▁and ▁Maryland ▁Camp aign s ▁still ▁showed ▁numerous ▁defect s ▁in ▁the ▁organization ▁and ▁leadership ▁of ▁the ▁Army ▁of ▁Northern ▁Virginia , ▁particularly ▁the ▁high ▁rate ▁of ▁st rag g ling ▁and ▁desert ion ▁during ▁the ▁invasion ▁of ▁Maryland . ▁Lee ▁had ▁fewer ▁than ▁ 4 0 , 0 0 0 ▁men ▁on ▁the ▁field ▁at ▁Anti et am , ▁the ▁smallest ▁his ▁army ▁would ▁be ▁until ▁the ▁App om atto x ▁Camp aign , ▁and ▁the ▁battle ▁was ▁largely ▁fought ▁on ▁aut op il ot ▁with ▁minimal ▁invol vement ▁by ▁the ▁senior ▁officers ▁in ▁the ▁army . ▁ ▁During ▁the ▁Freder icks burg ▁Camp aign , ▁Long street ▁had ▁the ▁divisions ▁of ▁Anderson , ▁H ood , ▁Mc L aws , ▁R ans om , ▁and ▁George ▁Pick ett , ▁who ▁had ▁just ▁returned ▁to ▁action ▁after ▁months ▁of ▁con val esc ence ▁from ▁a ▁w ound ▁sust ained ▁at ▁the ▁Battle ▁of ▁G aines ' s ▁Mill . ▁Jackson ▁had ▁the ▁divisions ▁of ▁D . H . ▁Hill , ▁A . P . ▁Hill , ▁J ub al ▁Early , ▁and ▁El ish a ▁Pa xt on . ▁Robert ▁R ans om ' s ▁division ▁returned ▁to ▁North ▁Carolina ▁after ▁Freder icks burg . ▁D . H . ▁Hill ▁also ▁depart ed ▁after ▁quar re ling ▁with ▁Lee .