Many of the family members of imprisoned citizens have been deported, as this is the repressive government’s way of getting rid of people who would have reason to revolt against the repressive regime. Thankfully for Sofia, the government seems to have forgotten to send her away, but that might change if she writes an appeal on Kolya’s behalf. Plus, writing an appeal wouldn’t do anything, as it has already been made quite clear that citizens like Sofia are utterly powerless in the face of Stalin’s authoritarian, repressive regime.