Do you mean what? I would say disease, the natives have never came in contact with those sicknesses so they died out fast because of how weak their immune systems were.
To become a naturalized citizen you must pass a basic civics test.
Answer:
They lived in Iran. Probably 50% of Persions are in Iran.
Hope I helped!
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<em>*eliza*</em>
Between russia and Ukraine......probably
