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A LOT of things in that list aren't originally American, or even commonly American. And quite a few others aren't "culture".
My favorite is probably "Victorian houses". Where did Victoria live again?
The "Victorian House" is just the commonly accepted name for the archetectural style. I'm not an architectural expert, but the average person in the US would hear that and imagine a 3 story house with porches and elabroate decorations. The US certainly has a distinctive building and decorative style from that era that is different than any Victorian homes in the UK.
A LOT of things in that list aren’t originally American, or even commonly American
That's literally one of America's superpowers. immigrants bringing ideas and foods from their cultures then as they integrate these ideas become more ingrained in local identities (and of course morph over time to adapt to local tastes) and later might even become something entirely different and so nationally popular that it becomes an exported cultural sensation.
One of the most dominant "culture" in the US, is they can't take any bit of criticism.
Confirmed time and again with threads like this.