Nyorai mberi kweiyi ndima - Kubviswa muna 1966 kweMutungamiri Arturo Illia (weUCR) naGeneral Juan Carlos Onganía kwakaparadza Congress yeArgentina uye kwakamanikidza Armendáriz kuti adzokere kunzvimbo 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 hwakaramba huchienderera mberi mumakore ekutanga ema1970, apo Alfonsín aiita basa repamutemo achidzivirira vanyajambwa vekutyorwa 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.