From its creation it followed the political line of the Communist Party of the Soviet Union, supporting in general its initiatives. Its alignment with the CPSU in the period Stalinism earned it numerous criticisms of other parties of political left. Throughout the decade of the 20 it had several splits, being recognized the one of the frontists (1923), the one of the chispistas (pre-trotskistas) (1925) and the penelonistas (supporters of Bukharin) in 1928, returning many paintings during the 8th PCA Congress that year. The PCA organized the sending of combatants to the International Brigades and other resources to the Second Spanish Republic during the Spanish Civil War. However, its leader Victorio Codovilla, who maintained a leading role in the leadership of the Communist Party of Spain during this period, during the organization of the local NKVD and having direct participation in the persecution, torture and murder of leaders and militants anarchists, of the POUM and of the International Brigades. According to the version of Alberto Nadra, a member of the Central Committee until 1989, the party was secretly structured as a political-military organization, and that character led the first guerrilla movement of the 20th century between the late 1930s and the early 1930s. 40, in the then National Territory of the Chaco, with specific agreements with the popular gaucho Mate Sewn. The communists would have marched to the mountain and had as objectives properties of La Forestal, Bunge Born, Dreyfuss and the great cotton patrons, making impressive actions. At the beginning of 1945, the Gendarmerie surrounded and detained the main leaders, such as the journalist Salvador "Rómulo" Marini, Simón Duschatsky and Pedro Marini, among others, although, according to Nadra, the "Commander Leonor Cuaretta who initially managed to flee, He was later arrested and murdered on March 30, 1945.15 He also refers to another 200 actions against Nazi targets during the Second World War or the blowing up of 14 Minimax supermarkets on June 28, 1968, although other sources have attributed it to the Armed Forces Revolutionary During the Second World War, the party maintained an active participation in the international arena in favor of the Soviet Union, organizing aid collections and contributing its leaders to various international tasks. An example of this would be the murder of Leon Trotsky in Mexico in 1940, whose organization was in charge of Codovilla, who at this point enjoyed the confidence of the leadership of the CPSU.
