Usa have gifted to the world good movies and tv shows.
Best legends from usa hollywood and tv
Good examples:
God father
Sopranos
Scarface
Mcyver , A team , bold and beatuful , santa barbara ,sex and city , and many more .
2 pac , micheal jordan, mike tyson , steven seagal , arnold schwaerneger ...and so many others.
The rest of the world have nothing so much
Italians style are best real people and very real thats how every human should be.
Other countries should do good culture also
Lol you are just Pointing in US as Americans but never forget that those you've mentioned is not a Pure Breed instead they came from other raises and their Bloods are maybe half breeds or even more .
You are talking a lot but does not know about History , Look what Vod's pointing and all His point are almost perfect explanation in this matter .
and also don't forget How Big US compared to other competitive countries yet those smaller are getting along in their creations.