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The isolation of Russia will lead to its death as an empire. The only thing that allowed Russia to exist was the sale of raw materials. It is necessary to put the monster in a cage and not feed it, that is, to impose a ban on any trade transactions.
Daydreaming makes one feel comfortable and happy.
There are many millions of people who will never leave Russia.
Russia will always trade with many other countries... China, Iran, Brazil... soon many nations of Europe who will stop their silly sanction practices.
BRICS is growing.
When things become a little harder for Russia, they will find the technology to use their raw materials much more.
Russia could be a strong country to itself. The only reason why they trade is for convenience. They have everything they need right at home.
So, keep on daydreaming. It feels soooo good, doesn't it? LOL!
What prevented Russia from being a successful country before the sanctions? And now she has the opportunity to become rich?