▁December ▁ 1 9 1 8 . ▁It ▁was ▁finally ▁dem obil ized ▁on ▁ 1 1 ▁May ▁ 1 9 1 9 , ▁with ▁its ▁rem n ants ▁becoming ▁part ▁of ▁the ▁Third ▁Army . ▁ ▁VIII ▁Corps ▁ ▁Activ ated ▁and ▁organized ▁by ▁Major ▁General ▁Henry ▁T . ▁Allen ▁on ▁ 1 8 ▁November ▁ 1 9 1 8 , ▁VIII ▁Corps ▁was ▁ordered ▁to ▁train ▁and ▁super v ise ▁troops ▁of ▁the ▁First ▁Army ▁that ▁were ▁withdraw ing ▁from ▁the ▁Me use - Arg onne ▁the ater ▁to ▁American ▁training ▁areas ▁in ▁France . ▁It ▁saw ▁no ▁combat ▁during ▁World ▁War ▁I , ▁as ▁it ▁was ▁formed ▁after ▁the ▁Arm ist ice . ▁It ▁was ▁dem obil ized ▁on ▁ 2 0 ▁April ▁ 1 9 1 9 . ▁ ▁IX ▁Corps ▁ ▁IX ▁Corps ▁was ▁organized ▁and ▁activ ated ▁by ▁Brig ad ier ▁General ▁William ▁K . ▁N aylor ▁on ▁ 1 6 ▁November ▁ 1 9 1 8 , ▁although ▁Major ▁General ▁Adel bert ▁C ron kh ite ▁assumed ▁command ▁on ▁ 1 8 ▁November , ▁after ▁which ▁N aylor ▁became ▁his ▁chief - of - st aff . ▁It ▁constit uted ▁the ▁left ▁fl ank ▁of ▁the ▁Second ▁Army ▁on ▁the ▁front ▁between ▁Jon ville ▁and ▁F res nes - en - W o ev re . ▁It ▁super vised ▁the ▁activities ▁of ▁form ations ▁( such ▁as ▁police ▁duties ), ▁due ▁to ▁the ▁arm ist ice , ▁when ▁it ▁was ▁in ▁the ▁area . ▁It ▁was