As early as the 7th century the church was condemning slavery. Slavery was unknown in Medieval Europe as a result, and when it came to New World slavery it was grounds for excommunication.
How come nobody knows this?
source: The Truth About The Catholic Church and Slavery, Christianity Today, http://www.christianitytoday.com/ct/2003/128/53.0.html 7/18/2003
tags: Apologetics, Slavery