situation in Germany and the real character of the Nazis". Following Brüning's resignation in May 1932 Pacelli, like the new Catholic chancellor Franz von Papen, wondered if the Centre Party should look to the Right for a coalition, "that would correspond to their principles". He made many diplomatic visits throughout Europe and the Americas, including an extensive visit to the United States in 1936 where he met President Franklin D. Roosevelt, who appointed a personal envoy—who did not require Senate confirmation—to the Holy See in December 1939, re-establishing a diplomatic tradition that had been broken since 1870 when the pope lost temporal power. Pacelli presided as Papal Legate over the International Eucharistic Congress in Buenos Aires, Argentina in 10–14 October 1934, and in Budapest in 25–30 May 1938. At this time, anti-semitic laws were in the process of being formulated in Hungary. Pacelli made reference to the Jews "whose lips curse [Christ] and whose hearts reject him even today". This traditional adversarial relationship with Judaism would be reversed in Nostra aetate issued during the Second Vatican Council. According to Joseph Bottum, Pacelli in 1937 "warned A. W. Klieforth, the American consul to Berlin, that Hitler was 'an untrustworthy scoundrel and fundamentally wicked person', to quote Klieforth, who also wrote that Pacelli 'did not believe Hitler capable of moderation, and ... fully supported the German bishops in their anti-Nazi stand'. This was matched with the discovery of Pacelli's anti-Nazi report, written the following year for President Roosevelt and filed with Ambassador Joseph Kennedy, which declared that the church regarded compromise with the Third Reich as 'out of the question'." Historian Walter Bussmann argued that Pacelli, as Cardinal Secretary of State, dissuaded Pope Pius XI—who was nearing death at the time—from condemning the Kristallnacht in November 1938, when he was informed of it by the papal nuncio in Berlin. The draft encyclical Humani generis unitas ("On the Unity of the Human Race") was ready in September 1938 but, according to those responsible for an edition of the document and other sources, it was not forwarded to the Holy See by the Jesuit General Wlodimir Ledóchowski. The draft encyclical contained an open and clear condemnation of colonialism, racial persecution and antisemitism. Historians Passelecq and Suchecky have argued that Pacelli learned about the existence of the draft only after the death of Pius XI and did not promulgate it as Pope. He did use