A Catholic Church?

By the time of Bonaventure, there was no way he could truthfully say that the Church is “unified as a single whole.” The Eastern and Western church had declared each other heretics, and both declared any church which disagreed with any part of the Nicene Creed (even a single word!) to be heretical. Perhaps the church wasn’t as divided as it is today, but the seeds of that division were already planted and few of the church has turned away from it.