Question: What years did Jose Gonzalo Rodriguez Gacha and other leaders of fthe Medallin Cartel operate in Boliva, Colombia, Central America, Peru, the United States, Canada, and Europe?

<P0-S0> The Medellín Cartel was a ruthless, highly organized and much-feared Colombian drug cartel originating in the city of Medellín, Colombia. <P0-S1>  The drug cartel operated throughout the 1970s and 1980s in Bolivia, Colombia, Central America, Peru, and the United States, as well as in Canada and Europe. <P0-S2>  It was founded and run by Ochoa Vázquez brothers Jorge Luis, Juan David, and Fabio, together with Pablo Escobar, George Jung, Carlos Lehder and José Gonzalo Rodríguez Gacha. <P0-S3>  By 1993, the resistance group, Los Pepes (or PEPES), controlled by the Cali Cartel, and the Colombian government, in collaboration with the Cali Cartel, right-wing paramilitary groups, and the United States government, had dismantled the Medellín Cartel by imprisoning or assassinating its members. <SEP> <P1-S0>  At the height of his criminal career Rodríguez was acknowledged as one of the world's most successful drug dealers. <P1-S1>  In 1988, "Forbes" magazine included him in their annual list of the world's billionaires. <P1-S2> José Gonzalo Rodríguez Gacha (May 14, 1947 – December 15, 1989), also known by the nickname "El Mexicano", was a Colombian drug lord who was one of the leaders of the notorious Medellín Cartel along with the Ochoa Brothers and Pablo Escobar. <SEP> <P2-S0> The National Liberation Army (Spanish: Ejército de Liberación Nacional, ELN) is an armed group involved in the continuing Colombian armed conflict, which has existed in Colombia since 1964. <P2-S1>  The ELN advocate a composite communist ideology of Marxism and liberation theology. <P2-S2>  They conduct military operations throughout the national territory of Colombia; in 2013, it was estimated that the ELN forces consisted of between 1,380 and 3,000 guerrillas. <P2-S3>  The ELN is the lesser known of two communist guerrilla armies who operate in Colombia; the other guerrilla army is the Revolutionary Armed Forces of Colombia (FARC–EP) who are Marxist–Leninist in their approach to the national liberation of Colombia. <P2-S4>  According to former ELN national directorate member Felipe Torres, one fifth of ELN supporters have taken up arms. <P2-S5>  The ELN has been classified as a terrorist organization by the governments of Colombia, Peru, United States, Canada and the European Union. <SEP> <P3-S0> Tranquilandia, (Tranquility-land) was the name of the large cocaine processing laboratory located in the jungles of Caquetá, Colombia. <P3-S1>  Tranquilandia was constructed for the Medellín Cartel by José Gonzalo Rodríguez Gacha, also known as "the Mexican". <P3-S2>  Until its destruction in 1984 by the Colombian National Police assisted by the United States Drug Enforcement Administration (DEA), the complex consisted of 19 laboratories, an independent water (Yari River) and electrical system along with dormitories for the laboratory workers. <P3-S3>  Processing supplies were flown in, and processed cocaine was flown out via any one of eight airstrips, constructed by the Cartel, for that specific purpose.