▁" La ▁Vi ol encia " ▁in ▁the ▁late ▁ 1 9 5 0 s , ▁M ana ure ▁received ▁migr ations ▁from ▁different ▁regions ▁of ▁Colombia ▁spe cially ▁from ▁the ▁Department ▁of ▁North ▁Sant ander . ▁These ▁imm igr ants ▁became ▁propriet ors ▁of ▁far ms ▁in ▁the ▁cor reg imiento ▁of ▁M ana ure ▁and ▁further ▁developed ▁the ▁coffee ▁plant ations . ▁These ▁North ▁Sant ander ▁imm igr ants ▁also ▁lo bb ied ▁to ▁seg reg ate ▁the ▁cor reg imiento ▁of ▁M ana ure ▁from ▁the ▁municipality ▁of ▁Los ▁Rob les ▁La ▁Paz , ▁some ▁of ▁these ▁local ▁leaders ▁were ▁Gu ill ermo ▁Ara que , ▁Art uro ▁Navar ro , ▁Art uro ▁Ac osta , ▁Jul io ▁Ma estre ▁and ▁José ▁Áng el ▁P ach ec o . ▁▁ ▁They ▁collected ▁ 6 0 0 ▁sign atures ▁of ▁the ▁ 2 0 0 ▁needed ▁as ▁requ is ite ▁to ▁formal ized ▁the ▁pet ition ▁which ▁also ▁comp lied ▁with ▁the ▁" L aw ▁of ▁Front iers " ▁which ▁gave ▁certain ▁benefits ▁to ▁certain ▁villages ▁near ▁the ▁border ▁with ▁other ▁nations . ▁This ▁pet ition ▁was ▁fully ▁supported ▁by ▁the ▁then ▁Governor ▁of ▁Ces ar ; ▁José ▁Gu ill ermo ▁Castro ▁Castro . ▁▁ ▁M ana ure ▁was ▁then ▁proc laimed ▁a ▁municipality ▁of ▁the ▁Department ▁of ▁Ces ar ▁by ▁Ord in ance ▁ 2 8 ▁of ▁November ▁ 2 8 , ▁ 1 9 8 0 ▁by ▁the ▁Department ▁Assembly ▁of ▁Ces ar ▁and ▁signed ▁the ▁Law ▁project ▁on