challenge: What was the main purpose of the papal bull Dundum ad nostram audientiam, promulgated by Eugene IV in 1442?
  
  A. To establish trade relations between the Papal States and Jewish communities
  B. To recognize the rights of Jews to hold public office in the Papal States
  C. To promote social integration between Jews and Christians in Europe
  D. To create a legal framework for the creation of Jewish ghettos in Europe
  Answer: 