The Revolutionary Brigades were founded in 1970 by Isabel do Carmo, Carlos Antunes and Pedro Goulart, and advocated armed struggle against the regime.
In 1975 the PRP attempted to create a School of Proletarian Culture as an alternative to bourgeois education.
The PRP supported the candidacy for the 1976 presidential elections of Otelo Saraiva de Carvalho.
[3] After November 25, 1975, PRP and Revolutionary Brigades were formally separated.
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