A threatening, though initially mainly sporadic persecution of the Catholic Church in Germany followed the 1933 Nazi takeover in Germany. In the dying days of the Weimar Republic, the newly appointed Chancellor Adolf Hitler moved quickly to eliminate political Catholicism. Vice Chancellor Franz von Papen was dispatched to Rome to negotiate a Reich concordat with the Holy See. Ian Kershaw wrote that the Vatican was anxious to reach agreement with the new government, despite "continuing molestation of Catholic clergy, and other outrages committed by Nazi radicals against the Church and its organisations". Negotiations were conducted by Cardinal Eugenio Pacelli, who later became Pope Pius XII (1939–1958). The "Reichskonkordat" was signed by Pacelli and by the German government in June 1933, and included guarantees of liberty for the Church, independence for Catholic organisations and youth groups, and religious teaching in schools. The treaty was an extension of existing concordats already signed with Prussia and Bavaria, but wrote Hebblethwaite, it seemed "more like a surrender than anything else: it involved the suicide of the Centre Party... ".