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to be honest, I don’t understand very well the meaning of the term “cold war” and the generally accepted time frame for it. It seems blurry and only meaningful to the older generation.
As for freedom of movement, I don’t think it’s worth comparing Britain and Russia. We have 85 separate constituentcies in the Federation, with 16 land and 2 sea borders, with a population of slightly more than 2 times the population of Great Britain. Of course, our rules are different from yours.
Propiska – yes, we have it. The place of permanent residence. Usually it is filled in in the passport.
This does not oblige a citizen to live there in reality, but all state, bank, tax, voting notifications are mailed to there.
In addition, a person may have a current residence address, which is important for medical care, child’s school, and the like. To get these state services in the nearest clinic/school a citizen must notify state of the current address, usually via house management company.