It is from the blues that all that may be called American music derives its most distinctive character.
The comics I read as a kid were much more influenced by TV and movies. Encountering superheroes as an adult without that kind of childhood sentimentality, it just doesn't allow you, or in my case at least, it wouldn't let me take the characters seriously.
In the United States, commentators recognize that, generally speaking, most people who hold liberal positions over a range of issues will likely vote Democratic, while most people, again generally speaking, who hold conservative positions will vote Republican.