year ▁extension ▁of ▁the ▁b ipart isan ▁power - sh aring ▁agreement ▁permitted ▁the ▁Liberal ▁and ▁Conserv ative ▁él ites ▁to ▁cons olid ate ▁their ▁so cio e conom ic ▁control ▁of ▁Colomb ian ▁society , ▁and ▁to ▁strength en ▁the ▁military ▁to ▁suppress ▁political ▁reform ▁and ▁radical ▁politics ▁propos ing ▁alternative ▁forms ▁of ▁government ▁for ▁Colombia . ▁ ▁Acc eler ated ▁Econom ic ▁Development ▁ ▁During ▁the ▁ 1 9 6 0 s , ▁the ▁Colomb ian ▁government ▁effect ed ▁a ▁policy ▁of ▁Acc eler ated ▁Econom ic ▁Development ▁( A ED ), ▁the ▁ag rib us iness ▁plan ▁of ▁L auch lin ▁C urr ie , ▁a ▁Canadian - born ▁U . S . ▁econom ist ▁who ▁owned ▁ran ch ing ▁land ▁in ▁Colombia . ▁The ▁plan ▁promoted ▁industrial ▁far ming ▁that ▁would ▁produce ▁great ▁yields ▁of ▁agricult ural ▁and ▁animal ▁products ▁for ▁world wide ▁export ation , ▁while ▁the ▁Colomb ian ▁government ▁would ▁provide ▁subs id ies ▁to ▁large - scale ▁private ▁far ms . ▁The ▁A ED ▁policy ▁came ▁at ▁the ▁exp ense ▁of ▁the ▁small - scale ▁family ▁far ms ▁that ▁only ▁yield ed ▁food ▁supplies ▁for ▁local ▁consumption . ▁Based ▁on ▁a ▁legal istic ▁interpretation ▁of ▁what ▁constit uted ▁" efficient ▁use " ▁of ▁the ▁land , ▁thousands ▁of ▁pe as ants ▁were ▁force fully ▁ev icted ▁from ▁their ▁far ms ▁and ▁migr ated ▁to ▁the ▁cities , ▁where ▁they ▁became ▁part ▁of ▁the ▁industrial ▁labor ▁pool . ▁In ▁ 1 9 6 1 , ▁the ▁dispos