▁All ende ▁ ▁Perhaps ▁Hel ms ' s ▁most ▁controvers ial ▁undert aking ▁as ▁C IA ▁chief ▁concerned ▁the ▁sub vers ive ▁efforts ▁to ▁block ▁the ▁social ist ▁programs ▁of ▁Salvador ▁All ende ▁of ▁Chile , ▁actions ▁done ▁at ▁President ▁N ixon ' s ▁beh est . ▁The ▁operation ▁was ▁code - named ▁Project ▁F ub elt . ▁After ▁All ende ' s ▁victory ▁in ▁the ▁ 1 9 7 0 ▁election , ▁C IA ▁jump ed ▁into ▁action ▁with ▁a ▁series ▁of ▁sharp ▁and ▁divis ive ▁man eu vers . ▁Non eth eless , ▁All ende ▁was ▁inaugur ated ▁as ▁president ▁of ▁Chile . ▁There after , ▁the ▁C IA ' s ▁efforts ▁marked ly ▁decl ined ▁in ▁intensity , ▁though ▁so fter ▁tact ics ▁continued . ▁Three ▁years ▁later ▁( 1 1 ▁Sept . ▁ 1 9 7 3 ) ▁the ▁military ▁coup ▁led ▁by ▁August o ▁P ino ch et ▁viol ently ▁ended ▁the ▁dem ocrat ically ▁elected ▁regime ▁of ▁President ▁All ende . ▁ ▁During ▁the ▁ 1 9 7 0 ▁Chile an ▁president ial ▁election , ▁the ▁US G ▁had ▁sent ▁financial ▁and ▁other ▁assistance ▁to ▁the ▁two ▁candidates ▁oppos ing ▁All ende , ▁who ▁won ▁anyway . ▁Hel ms ▁states ▁that ▁then , ▁on ▁Sept . ▁ 1 5 , ▁ 1 9 7 0 , ▁he ▁met ▁with ▁President ▁N ixon ▁who ▁ordered ▁the ▁C IA ▁to ▁support ▁an ▁army ▁coup ▁to ▁prevent ▁an ▁already ▁elected ▁All ende ▁from ▁being ▁confirmed ▁as ▁president ; ▁it ▁was