Local politics were influenced by the Cold War: left-wing groups attempted to seize power, deposing the right-wing dictatorship.
[2] Differences arose when they finally succeeded, and de facto president Alejandro Lanusse was called to elections, lifting the proscription over Peronism.
Montoneros curtailed their militant attacks after the calling for elections, but the non-Peronist groups like the People's Revolutionary Army did not,[3] and were outlawed.
For instance, Perón refused to recognize the informal military ranks used within their organizations for top Montonero personnel.
[5] When Perón showed up at the balcony of the Casa Rosada, he was enraged with the Montoneros, both for the murder of Rucci some months ago, and by the insults to his wife and the use of flags despite his instructions.
Perón insisted in supporting the syndicalists for their twenty-year-long fight during the Peronist proscription, and contrasted them with "those stupids that scream".
José López Rega, secretary of Perón, organized the Argentine Anticommunist Alliance to fight against the militant groups.