Matt 5:20 or enter you won't., page-492

@wafflehead

You Tellem Love

Now that's an add going way back in time lol.
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From the best I've discovered, the trinity creation began to grow legs by around the 100's and got a few more legs, fine tuning by the time you mention.
Constantine -> Sun god follower, so the trinity fitted in well, hence he could get control etc.

Not too far down the track from there, Power was in effect in the CC's hands.

Not to mention, the numerous god followers, the Greeks, also had a Big hand in this creation.