. ▁For ▁his ▁handling ▁of ▁combat ▁operations ▁on ▁the ▁Western ▁Front , ▁particularly ▁at ▁Ar ras ▁and ▁on ▁the ▁Som me , ▁he ▁was ▁awarded ▁the ▁Pour ▁le ▁M ér ite ▁in ▁ 1 9 1 6 . ▁The ▁following ▁year ▁he ▁was ▁appointed ▁commander ▁of ▁the ▁ 4 th ▁Army ▁and ▁also ▁served ▁as ▁commander - in - ch ief ▁in ▁the ▁Fland ers ▁region . ▁During ▁his ▁time ▁as ▁commander , ▁the ▁ 4 th ▁Army ▁with stood ▁several ▁attacks ▁from ▁British ▁and ▁French ▁arm ies , ▁not ably ▁the ▁Third ▁Battle ▁of ▁Y pres . ▁For ▁his ▁performance ▁as ▁commander , ▁Ar min ▁was ▁awarded ▁the ▁Order ▁of ▁the ▁Black ▁E agle , ▁as ▁well ▁as ▁the ▁o ak ▁leaf ▁cluster ▁to ▁the ▁Pour ▁le ▁M ér ite . ▁Ar min ▁was ▁still ▁in ▁command ▁of ▁the ▁ 4 th ▁Army ▁during ▁the ▁Spring ▁Off ensive ▁of ▁ 1 9 1 8 . ▁On ▁ 2 5 ▁April , ▁his ▁troops ▁captured ▁the ▁K em mel berg , ▁although ▁they ▁were ▁later ▁forced ▁to ▁retre at ▁to ▁the ▁Ant werp – Ma as ▁def ensive ▁line . ▁With ▁the ▁signing ▁of ▁the ▁Arm ist ice ▁on ▁ 1 1 ▁November , ▁Ar min ▁took ▁command ▁of ▁Army ▁Group ▁A ▁and ▁returned ▁with ▁it ▁to ▁Germany , ▁where , ▁following ▁the ▁dem obil isation ▁of ▁his ▁troops , ▁he ▁res igned . ▁ ▁Later ▁life ▁▁ ▁After ▁the ▁war , ▁Ar min ▁lived ▁in ▁Mag de burg , ▁Province ▁of ▁Sax