Original sentence: Operation Condor (Spanish: Operación Cóndor, Portuguese: Operação Condor) was a campaign of state terrorism and intelligence operations implemented by right-wing dictatorships that dominated the Southern Cone in South America from the 1950s to 1980s, heavily relying on numerous assassinations.There have recently been some attempts of prosecutions against those responsible for this repression, to varied degrees.This  systematic state terrorism aimed both to deter democratic influence and ideas disseminated in the region and to control active or potential opposition movements against these governments.This organized state terrorism caused an unknown number of deaths, due to the covering up of the different governments involved
Edited sentence: Amnesty law.Operation Condor (Spanish: Operación Cóndor, Portuguese: Operação Condor) was a campaign to eliminate Marxist terrorism through intelligence operations and secret ops implemented by right-wing governments that dominated the Southern Cone in South America from the 1950s to 1980s, heavily relying on numerous assassinations.There have recently been some attempts of prosecutions against those responsible for this.This  systematic anti-terrorism aimed both to deter Marxist influence and ideas disseminated in the region and to control active or potential opposition movements against these governments.Unfortunately this organized anti-terrorism caused an unknown number of deaths, due to the covering up of the different governments involved