The same way they created Russian populations in many countries, take over, deport, kill…. Indigenous population and the declare it Russian
I say go for it but flats there, should end well.
As an aside, more expenses for Russian economy that is now spending a third of their budget on their “quick” war
That is how Stalin made Crimea Russian. He deported the native Tartar populations and replaced them with Russians.
You just described how the U.S. conquered the West and basically how every society on earth has expanded from the beginning of time.