Shining Path of the center and south of Peru and had a large presence in the outskirts of Lima. As the organization grew in power, a cult of personality grew around Guzmán. The official ideology of the Shining Path ceased to be "Marxism–Leninism–Mao Tse-tung thought", and was instead referred to as "Marxism–Leninism–Maoism–Gonzalo thought". The Shining Path fought against Peru's other major guerrilla group, the Túpac Amaru Revolutionary Movement (MRTA), as well as campesino self-defense groups organized by the Peruvian armed forces. Although the reliability of reports regarding the Shining Path's atrocities remains a matter of controversy in Peru, the organization's use of
Communist Party of the Netherlands broke away from the SDAP, when the reformist leadership blocked their publication of an autonomous journal. After the Russian Revolution the party adopted the name Communist and with the departure of the left-wing grouped around "De Internationale", the party adopted Marxism–Leninism, the official ideology of the USSR and the Comintern. This advocated the overthrow of the state by a vanguard party, which would lead the country towards socialism. The party remained faithful to the USSR's version of Marxism–Leninism during the 1920s, when Trotsky's interpretation became an important ideological competitor of Joseph Stalin's. This led to a split when a group