 Nyorai kupfuurira kweiyi ndima - Muna 1946, Luís Carlos Prestes akava muSeneta wokutanga anozviti wechiKomonisiti weBrazil, chiitiko chaizongodzokororwa makore makumi matanhatu gare gare, apo Inácio Arruda akasarudzwa kuti amiririre Ceará. Pakazosvika 1947, PCB yakanga yava nenhengo dzinosvika 200 000, dzakanga dzawana mavhoti 480 000 anenge 9 yezvose musarudzo dzemitemo yegore iroro. Bato iri, zvisinei, rakarambwa se internationalist, uye nokudaro harina kuzvipira kune zvido zveBrazil naEurico Gaspar Dutra muna 1948, rezinesi rayo rakabviswa neDare reKusarudzwa. Muna 1956, kurwisana kwakabuda mubato pashure pokunge Nikita Khrushchev ashora mitemo yaJoseph Stalin pa 20th CongressweCommunist Party yeSoviet Union. Kuumbwa kwemapoka kwePCB kwakakurumidza mushure mekunge Manifesto itsva yatenderwa muna 1958, ichitaura nzira itsva dzekuzadzisa zvinangwa zvechiKomonisiti, ichibatanidza kugadzwa kwehupfumi pamwe nekuwedzera kwedemokrasi. Vamwe vatungamiriri vayo vepamusoro, vasina kugutsikana nenhungamiro idzi, vakasiya PCB ndokuumba bato idzva, Communist Party of Brazil Partido Comunista do Brasil PCdoB, muna 1962. Somugumisiro, mapato ose ari maviri anotaura kuti akagadzwa muna 1922. 