Not helping matters: the fact that everyone speaks in unaccented American English.
Whether you think "An Historical Investigation" (the cover copy) is acceptable American English is between you and your maker.
I also conduct a blog about British expressions (like “bits” and “went missing”) that have become popular in American English.
And the more these jobs require speaking recognizably American English, the bigger advantage Americans have in getting them.
Originated as a British word, but we adopted it into American English almost immediately.
American English is Comic English in a pretty particular considerable tarnation degree.
In one sense, the American English is older than the Australian.
Mark Twain can be eloquent when the fancy takes him, but the medium he employs is the simplest and plainest American English.
American English is Comic English in a "pretty particular considerable tarnation" degree.
And, unlike American English, it tends to waver up and down the scale.