Once the likes of Hesburgh at Notre Dame began to cooperate with the Rockefellers -- and folks like Father Hanley speaking "as Catholics" before Congressional panels on plans for George H. Bush "population control" and "a healthcare mechanism" family planning and other pop-control measures -- indeed, AmChurch began to sympathize with the Nazis every bit as effectively, or more, than the likes of Margaret Sanger.
If you wish more in the way of detail, I'm happy to oblige.