While that couldn't hurt, only the recognition that the church today gets its marching orders from the apostle Paul, after he had received his complete revelation from the Lord, could this Body Church unite in Christ.
Yes, united in Christ -- among themselves? In the pangs of its birth this Church was divided over who will be the greates ... in the Kingdom! Divided, and opposed, yet in and while and as, The Kingdom! One must add the question mark, The Kingdom!? One must fall back on by faith only! The enigma is too great to be analised synthetically.
The Body Church that Paul had been taught, over the years, by the Lord, was to be united, but it was subverted by those that wouldn't let go of the promised (but set aside)
Kingdom.
The perversion(s) resulting in all these differing churches today are a result.