The reason why the UEC avoided contact with the Pre-FTL species of the milky way galaxy was that most of the time, contact could change their society to a path that could be very difficult to correct, but not outright impossible, but when they made contact with a spacefaring society, it became a huge issue. The political instability, combined with advanced technology could create an unimaginable amount of damage. In the Milky Way galaxy, these types of civil wars and political turmoils were contained and most of the time, UEC's intervention stopped these, but in the Andromeda galaxy? It was nearly impossible to stop. On top of that, the UEC didn't establish any bases yet, so they can't exactly call themselves a superpower, yet.When a pre-FTL society sees an advanced spacefaring civilization, the first things it loses are the religious and national identity, and then they become unified under a banner. This stage keeps them most vulnerable because many demigauges, populist leaders and
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