sk ir ts ▁of ▁Paris , ▁the ▁Battle ▁of ▁the ▁Mar ne ▁and ▁unexpected ly ▁speed y ▁Russian ▁mobil isation ▁and ▁attacks , ▁ended ▁the ▁German ▁off ensive ▁and ▁resulted ▁in ▁years ▁of ▁tren ch ▁war fare . ▁It ▁was ▁not ▁only ▁Germany ▁who ▁followed ▁the ▁cult ▁of ▁the ▁off ensive ; ▁the ▁French ▁army , ▁among ▁others , ▁was ▁also ▁driven ▁very ▁strongly ▁by ▁this ▁doctrine , ▁where ▁its ▁supp or ters ▁included ▁Ferdinand ▁F och , ▁Joseph ▁J off re ▁and ▁Lo y ze aux ▁de ▁Grand ma ison . ▁Offic ers ▁of ▁that ▁period ▁were ▁ind o ctr in ated ▁that ▁" The ▁French ▁Army , ▁returning ▁unto ▁its ▁trad itions , ▁no ▁longer ▁knows ▁any ▁law ▁other ▁than ▁the ▁off ensive ." ▁This ▁is ▁thought ▁to ▁be ▁the ▁military ▁reason ▁behind ▁the ▁French ▁Cons cription ▁Law ▁in ▁July ▁ 1 9 1 3 , ▁following ▁the ▁passing ▁of ▁a ▁similar ▁bill ▁in ▁Germany ▁six ▁months ▁earlier : ▁the ▁off ensive ▁" guer re ▁à ▁out rance " ▁swift ly ▁to ▁se ize ▁Als ace - L or raine ▁was ▁felt ▁by ▁military ▁pl ann ers ▁to ▁require ▁an ▁additional ▁ 2 0 0 , 0 0 0 ▁cons cript s ▁with ▁respect ▁to ▁the ▁def ensive ▁war ▁for ▁which ▁the ▁army ▁was ▁prepared . ▁ ▁World ▁War ▁I ▁was ▁domin ated ▁by ▁def ensive ▁fire power ▁but ▁the ▁on us ▁on ▁the ▁Ent ente ▁was ▁to ▁conduct ▁an ▁off ensive ▁strategy , ▁that ▁caused ▁mass ▁cas ual ties ▁and