Pedzisa mutsara unotevera: Kubviswa muna 1966 kwaPurezidhendi Arturo Illia (weUCR) naGeneral Juan Carlos Onganía kwakaparadza Congress yeArgentina uye kwakamanikidza Armendáriz kuti adzokere kunzira yake yekurapa. Kuswedera kwesarudzo itsva muna 1972 kwakamuita kuti abatane nevamwe vake vaimbova UCR Congressman Raúl Alfonsín mukutanga "Movement for Renewal and Change", boka repakati-kuruboshwe rinopesana nemutungamiri wenguva refu webato, Ricardo Balbín, uyo akakunda Alfonsín musarudzo yekutanga yebato ravo pamberi pesarudzo dzaKurume 1973. Ushamwari hwaArmendáriz naAlfonsín hwakapfuurira mukati mema1970 ane mhirizhonga, apo wekupedzisira aiita mutemo mukudzivirira kwevanotambudzwa nemafungu e
kutyorwa kwekodzero dzevanhu muArgentina, gare gare mumakore gumi. Zvichitevera kupikisa kwaAlfonsín kwakashinga uye kwakakodzera nguva kweHondo yeFalklands isina kufunga muna 1982, akazova mutungamiri mukati meUCR manheru emasarudzo akabvumirwa nehutongi hwakakanganiswa, muna 1983. Achivimbisa kusarudzwa muna Chikunguru, Alfonsín akasimudzira Armendáriz semumiriri weUCR kuGavhuna wePurovhinzi yeBuenos Aires, musha we38% yevaArgentina.