 Nyorai kupfuurira kweiyi ndima - Pope Pius XI akaita Copello Cardinal-Priest we San Girolamo dei Croati mu consistory yaDecember 16, 1935, achimuita kardinari wokutanga anobva kuArgentina neSpanish America. Akakwidziridzwa pachinzvimbo cheMukuru weChechi muArgentina musi wa29 Ndira 1936, Copello aive mumwe wevakuru vevakuru mu1939 papal conclave iyo yakasarudza Pope Pius XII. Muna November 1945, akarambidza vaKaturike veArgentina kutsigira mapato kana kuti vamiriri vaisimudzira kuparadzaniswa kweChechi neHurumende, kubvisa rudzidziso muzvikoro zvehurumende, kana kuti kubvumidza kurambana kwevanhu vose musarudzo dzaFebruary 1946. Copello akatoita kuti mupristi weparishi abviswe pachinzvimbo chake nemhaka yokushora Mutungamiriri Juan Perón. Pashure pokupinda musangano mukuru wokutanga weLatin American Episcopal Conference muna 1955, akamanikidzwa kwenguva pfupi kugara muRoman Curia somugumisiro wokudonha kwehurumende yePeronist. 