The object of study of the present doctoral thesis is the Marxist groups in Spain that opposed the Stalinist policy and at the same time maintained a program of social transformation that implied, therefore, the refusal to the pacts with the bourgeoisie, which typical form during the 1930s was the Popular Front. The internationalist perspective of these groups meant that they all had a link with an international current and that, in fact, from 1936 onwards, they were all initiated in Spain by foreign and non-native activists. These groups are structured into three major blocs: the followers of Trotsky’s theses (Trotskyists, whether officials or dissidents), the quarter-internationalist groups that had broken with Trotskyism, and the followers of Amadeo Bordiga’s theses. bordiguistes). As for the chronological period, the study goes from the end of 1933 to the summer of 1937, that is, from the beginning of the process that leads to the disappearance of the Spanish Communist Left (ICE) (Spanish section of the International Communist League (LCI), following Trotsky’s theses), until the repression of the summer of 1937, which meant the end of the period of open work in Spain of Marxist groups to the left of the PCE-PSUC The aim of the thesis, therefore, is to expose, analyze and assess the presence of Marxist revolutionary groups in Spain in the delimited period, their impact at that historical moment, and the coherence of their political proposals with their own assumptions. theoretical.
