 His concerns with these proposals led to the formation of the study group to deal with a number of issues at the Council.A primary element of their agenda was opposition to the principle of episcopal collegiality, which they feared could undermine papal primacy and the rights of individual bishops.They thought there should be a specific condemnation of communism and that there should be a separate Council document elevating the status of the Blessed Virgin Mary, not merely a chapter in "Lumen gentium".