Why was much of Greek and Roman knowledge lost in the former western empire?

Much of the ancient learning was preserved by the Christian monks as the church leaders found nothing in them that was contrary to Christian doctrine.

Much of the ancient learning was preserved by the Christian monks as the church leaders found nothing in them that was contrary to Christian doctrine.

Much of the ancient learning was preserved by the Christian monks as the church leaders found nothing in them that was contrary to Christian doctrine.

Much of the ancient learning was preserved by the Christian monks as the church leaders found nothing in them that was contrary to Christian doctrine.

Much of the ancient learning was preserved by the Christian monks as the church leaders found nothing in them that was contrary to Christian doctrine.

Much of the ancient learning was preserved by the Christian monks as the church leaders found nothing in them that was contrary to Christian doctrine.

Much of the ancient learning was preserved by the Christian monks as the church leaders found nothing in them that was contrary to Christian doctrine.

Much of the ancient learning was preserved by the Christian monks as the church leaders found nothing in them that was contrary to Christian doctrine.

Much of the ancient learning was preserved by the Christian monks as the church leaders found nothing in them that was contrary to Christian doctrine.