This BBC story might be relevant to the 'American English' topic
http://www.bbc.com/capital/story/20180808-what-is-the-future-of-english-in-the-usSome interesting points; I hadn't realised, for example, that 'the US has no official language'.
I can remember being told by a friend - from Texas, no less - that at one time in the dim and distant past there was a vote in Congress to decide what was to be the official language of the young state, and that English beat German by only two or three votes.