$this->bbcode_second_pass_quote('Plantagenet', 'T')he 1950s in the USA.
--The economy is booming.
--The dollar is strong and travel is cheap.
--All the the great modern conveniences have been invented (airplanes, cars, movies, bikinis).
--The country isn't filled up yet.
--Skiing and surfing spots aren't crowded.
--land is still cheap
--Buy IBM stock and get rich. Buy Exxon stock and get rich. Buy GM stock and get rich. etc. etc.
--Except for a few communist spies and professional outside agitators, everybody is still patriotic and loves the USA.
--The US is #1 on the world stage and still beloved by the hoi polloi of the various countries we liberated in Asia and Europe.

I agree with the time, but I would not choose America. The 50s in Canada maybe? All the reasons you mentioned.
I would also like the turn of the last Century. Especially the Roaring Twenties. An ex-pat hanging around Europe. Oops that is what I am doing now! ; - )