National religion or a national God was rejected as a grave error and that the Christian God could not be restricted "within the frontiers of a single people, within the pedigree of one single race." (sections 9–13). Historian Michael Phayer wrote:  In "Divini Redemptoris", he [Pius XI] condemned communism once again, while in "Mit brennender Sorge" he criticized racism in carefully measured words. As Peter Godman has pointed out, this was a political decision that ignored the immorality of Nazi racism as it had been discerned by in-house committees at the Vatican. ... the encyclical stepped lightly around the issue of racism so as to keep the Concordat intact. Martin Rhonheimer writes that while "Mit brennender Sorge" asserts "race" is a "fundamental value of the human community", "necessary and honorable", it condemns the "exaltation of race, or the people, or the state, or a particular form of state", "above their standard value" to "an idolatrous level". According to Rhonheimer, it was Pacelli who added to Faulhaber's milder draft the following passage (8):  Against this background to the encyclical, Faulhaber suggested in an internal Church memorandum that the bishops should inform the Nazi regime  that the Church, through the application of its marriage laws, has made and continues to make, an important contribution to the state's policy of racial purity; and is thus performing a valuable service for the regime's population policy. Vidmar wrote that the encyclical condemned particularly the paganism of the national-socialist ideology, the myth of race and blood, and the fallacy of their conception of God. It warned Catholics that the growing Nazi ideology, which exalted one race over all others, was incompatible with Catholic Christianity. None but superficial minds could stumble into concepts of a national God, of a national religion; or attempt to lock within the frontiers of a single people, within the narrow limits of a single race, God, the Creator of the universe, King and Legislator of all nations before whose immensity they are "as a drop of a bucket"  Historian Garry Wills, in the context of Jews having traditionally been described as deicides, says that the encyclical affirms " 'Jesus received his human nature from a people who crucified him' – not some Jews, but the Jewish people" and that it was also Pius XI who had disbanded the Catholic organization "Friends of Israel" that had campaigned to have the charge of deicide dropped.