American ▁War . ▁After ▁the ▁war ▁helped ▁to ▁re organ ize ▁the ▁Pennsylvania ▁National ▁Guard ▁and ▁was ▁elected ▁major ▁and ▁later ▁lieutenant ▁colon el ▁of ▁the ▁T enth ▁Infantry ▁( l ater ▁re organ ized ▁into ▁the ▁ 1 1 0 th ▁Infantry ▁Regiment ). ▁ ▁He ▁res igned ▁his ▁commission ▁while ▁in ▁Congress ▁but ▁was ▁later ▁retired ▁with ▁the ▁rank ▁of ▁colon el . ▁He ▁was ▁a ▁delegate ▁to ▁the ▁ 1 9 0 4 ▁Republican ▁National ▁Convention . ▁ ▁C rag o ▁was ▁elected ▁as ▁a ▁Republican ▁to ▁the ▁Si xty - second ▁Congress . ▁He ▁was ▁an ▁un success ful ▁candidate ▁for ▁re e lection ▁in ▁ 1 9 1 2 . ▁He ▁served ▁as ▁commander ▁in ▁chief ▁of ▁the ▁V eter ans ▁of ▁Foreign ▁Wars ▁in ▁ 1 9 1 4 ▁and ▁ 1 9 1 5 . ▁ ▁He ▁was ▁again ▁elected ▁to ▁the ▁Si xty - four th , ▁Si xty - fif th , ▁and ▁Si xty - six th ▁Congress es . ▁He ▁was ▁not ▁a ▁candidate ▁for ▁ren om ination ▁in ▁ 1 9 2 0 , ▁but ▁was ▁subsequently ▁elected ▁to ▁the ▁Si xty - se vent h ▁Congress ▁to ▁fill ▁the ▁vac ancy ▁caused ▁by ▁the ▁death ▁of ▁M ahl on ▁M . ▁Gar land . ▁He ▁was ▁not ▁a ▁candidate ▁for ▁ren om ination ▁in ▁ 1 9 2 2 . ▁ ▁He ▁was ▁appointed ▁special ▁assistant ▁to ▁the ▁Att orney ▁General ▁of ▁the ▁United ▁States ▁on ▁March ▁ 7 ,