There are few absolute requirements for a Catholic Church. An altar would be its most prominent feature. No matter how small, it would require a sanctuary (which would contain the altar) and a nave...
During the Middle Ages, the Church repeatedly prohibited the sale of Christian slaves to masters who were not Christian and the exportation of slaves to lands that were not Christian. It also...
No, the Catholic Church did not really stifle medieval literature. There was a reason for this, which was that the literature during the middle ages was copied by hand or memorized, and the church...