Nah, not at all.
The Frontline should have been where NATO is now - the US had the men and material to push back against Stalin after WWII, it elected not to bother. Subsequent American policies stem from nothing more altruistic than guilt.
You know who FDR was worried about after WWII?
Churchill and the UK - there's documented evidence of that, though he apparently realised Stalin was the real threat before he died.
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