Each one of these has slightly different readings in my eyes.
I don't really see the difference between the two though.
Compare:
1. I did the work for that last week.
2. I proceeded to do the work for that last week.
Sentence 2 strikes me as questionably grammatical. It needs to be proceeding from something in the context.
Wording? Don't you mean diction?
I didn't claim that this was exclusively American. Though I'd have to admit that one doesn't have to be American to adopt Ameracanisms: rhotic Rs, Netflix color-grading, and copy-cat political movements are other American cultural artifacts showing up across the world due to America's dominance of the zeitgeist.
Rap verses in pop songs wasn't a spontaneously phenomenon across the globe, the origins are tracably American - but that doesn't make all rappers American.