 As ambassador to Argentina for four months in 1945, Braden encouraged the opposition against President Edelmiro Julián Farrell and Juan Perón.Perón exploited his intervention with a slogan, "Braden o Perón" ("Braden or Perón"), which contributed to Perón's victory in the presidential election the following year.Braden accused Perón of being pro-Axis and anti-United Nations, and of plotting against Allied interests in South America, including the protection of industrial and commercial Axis assets and massive violations of human rights.