One of the things, from an outsider, which is peculiar about US culture is a glorification and celebration of violence to the point whenever that even loss of life is treated as sensationalist and even entertainment. This seems to be a feature that has existed for several decades as well at the very least. I think this has a very deep impact in the cultural psyche and something that is not helped by the way that the 2nd amendment has been interpreted.

Which I personally think is a terrible shame, because dammit, I really like the idea of a well-regulated militia instead of standing armies. It means an government which must be supported by the people, and a system of excellent defence which cannot engage in invasion.

Sorry, starting to rant there...