A cikin shekarun 1940s Brazil, ilmin lissafi ya zama abin buƙata don jefa kuri'a a zaɓen shugaban ƙasa.A cikin 1961, an nada shi darektan Sashen Fadada Al'adu a Jami'ar Recife.A cikin 1962, ya sami damar farko don aikace-aikacen manyan ka'idodinsa, lokacin da, a cikin gwaji, aka koya wa masu girbi 300 na shuka su karanta da rubutu a cikin kwanaki 45 kawai.Dangane da wannan, gwamnatin Brazil ta amince da ƙirƙirar dubban da'irar al'adu a duk faɗin ƙasar.A cikin 1964 Brazilian d'état ya kawo ƙarshen ƙoƙarin mulkin Kiristocin Kiristocin ƙaura, kamar yadda junta ta soja ta yi. Freire ya buga shi a cikin shekarun 1970s Brazil, karatu da rubutu ya zama abin buƙata don jefa kuri'a a zaɓen shugaban ƙasa.A cikin shekara ta 1967, an ba shi matsayin mai ba da shawara na siyasa na musamman a Jami'ar Recife.
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