Russia never has had any of the advantages that the USA ever did.
Russian rivers flow the wrong way for trade, her agricultural areas while good are far from it's markets.
Much of the expanse has no one in it so effectively Russians live in a big field with the front and back gate open for anyone to walk in.
You could say Russia is obssesed with getting buffers to protect itself or at least why the elite are obssesed with that idea.
To be honest I dont know enough about Russian character to argue this, but we all see American character on telly everyday. Since your telly is how you as Americans see yourselves it's easy pick up on a few traits that you all might have.
An yes I am aware thats a fictional version of American character but it is still influenced by actual American traits.
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