session ▁of ▁far ml and ▁had ▁produced ▁ 4 0 , 0 0 0 ▁land less ▁families ▁and ▁by ▁ 1 9 6 9 ▁their ▁numbers ▁amount ed ▁to ▁ 4 0 0 , 0 0 0 ▁throughout ▁Colombia . ▁By ▁ 1 9 7 0 , ▁the ▁lat if und io ▁type ▁of ▁industrial ▁farm ▁( more ▁than ▁ 5 0 ▁hect ares ▁in ▁area ) ▁occupied ▁more ▁than ▁ 7 7 ▁per ▁cent ▁of ▁a rable ▁land ▁in ▁the ▁country . ▁The ▁A ED ▁policy ▁increased ▁the ▁concentration ▁of ▁land ▁ownership ▁among ▁cattle ▁ran ch ers ▁and ▁urban ▁industrial ists , ▁whose ▁business es ▁expanded ▁their ▁prof its ▁as ▁a ▁result ▁of ▁redu ctions ▁in ▁the ▁cost ▁of ▁labor ▁w ages ▁after ▁the ▁infl ux ▁of ▁thousands ▁of ▁disp la ced ▁pe as ants ▁into ▁the ▁cities . ▁During ▁this ▁period , ▁most ▁rural ▁workers ▁lack ed ▁basic ▁medical ▁care ▁and ▁mal nut r ition ▁was ▁almost ▁universal , ▁which ▁increased ▁the ▁rates ▁of ▁prevent able ▁disease ▁and ▁infant ▁mort ality . ▁ ▁History ▁ ▁P CC ▁and ▁self - def ense ▁communities ▁▁ ▁Commun ists ▁were ▁active ▁throughout ▁rural ▁and ▁urban ▁Colombia ▁in ▁the ▁period ▁immediately ▁following ▁World ▁War ▁I . ▁The ▁Colomb ian ▁Commun ist ▁Party ▁( Part ido ▁Comun ista ▁Colomb iano , ▁P CC ) ▁was ▁formally ▁acc red ited ▁by ▁the ▁Com intern ▁in ▁ 1 9 3 0 . ▁The ▁P CC ▁began ▁establish ing ▁" pe asant ▁le agues " ▁in ▁rural ▁areas ▁and