Traditionally, all mainstream Christians believed in libertarian free will. You can find this discussed in Augustine and Anselm and Aquinas, off the top of my

Traditionally, all mainstream Christians believed in libertarian free will. You can find this discussed in Augustine and Anselm and Aquinas, off the top of my head. That changed with Luther and Calvin, but even today you'd be hard pressed to find a large body of Christians that outright deny free will, since it is so blatantly referred to in the Bible.