Pablo Escobar and the Colombian Government

my research paper is an Extended Essay for the IB program. My research question is: To what extent did the Medellin Cartel influence Colombia’s political decisions from 1978 to 1993? This essay is not a summary its an analysis of what were the effects on the Cartel towards the government decisions. There were many deaths and he created his own jail by bribing the government, he had full contorl.