Wasn't there a significant divergence in fortunes as economies transformed from resource based to value added economies? Around the turn of the XX century, many struggling economies today were on par with middling countries in Europe. Think Czech, Finland, Hungary, Polen, Japan. Brazil, Mexico, etc., were competitive with them back then, but now, the latter are seen as basket cases of mismanagement. And empire and co…
Brazil became a basket case of mismanagement only since a few years ago, that isn't something they are doomed to forever. They are already well on the way to fix that.
The key strength of the West, IMO, is, as others have said, the things you don't see. Trustworthy institutions that mean you're not always second-guessing whether or not something is as it seems.
That's why it's so important for us Westerners to be vigilant to attacks on the integrity of our institutions and systems.