 Nyorai mberi kweiyi ndima - Mukusarudzwa kwa1944, sarudzo dzokutanga dzedemokrasi dzakanga dzaitwa munyika, PRN yakasarudza Juan José Arévalo somumiriri wayo. Muna November 1945 yakabatana neFPL kuti iumbe Revolutionary Action Party PAR, asi yakaparadzana nayo mwedzi gumi nemasere gare gare. Kupatsanuka uku kwakanga kuri mugumisiro wokusiyana kwemafungiro, uye mugumisiro wokubata naArévalo, uyo akasarudza kubata nevanopikisa vakaparadzana. Pashure pokuzengurira, PRN yakabatana neParty of the Guatemalan Revolution muna June 1952, asi yakabva yabuda mwedzi wakatevera. PRN yaiva bato duku zvikuru muhurumende dzakabatanidzwa dzaJacobo Árbenz 1951-1954. Rakaparadzwa pashure pokubvuta hurumende kwa1954. 