 Carvalho akadzokera kuBrazil ndokutora rutivi mukuedza kubvisa mudzvanyiriri Getuilo Vargas pachigaro, uye akazobviswa pachigaro chake semutungamiriri wemauto eBrazil. Pashure pokunge mauto atora hurumende muna 1964akatsoropodza Bato reCommunist reBrazil nokuda kwokuramba kuita hondo yechikwata, uyewo nokuda kwenzira dzavo dzokutonga uye dzokushandisa. Muna 1967 pakupedzisira akadzingwa uye akatanga Brazilian Revolutionary Communist Party gore rakatevera racho kuti arambe achirwisana nehurumende yeudzvinyiriri. Akasungwa ndokutambudzwa, asi akasunungurwa ndokuendeswa kuAlgeria muna 1970 mukutsinhana naHitler, mumiriri weGermany uyo akanga atorwa senhapwa nemapoka ezvakarerekera kuruboshwe. Muna 1979 Carvalho akadzokera kuBrazil sezvo hutongi hwechiuto hwakanga hwaneta, uye akatora chikamu mukuumba Workers Party PT gore rakatevera. Akanga ariwo kwenguva yakati mutevedzeri wapurezidhendi waro. 