One thing I've never seen addressed is the difference in accents between Scotland on the one hand, and England and Wales on the other. Scottish pronunciation of Standard English is in general closer to English spelling (e.g. "good" and "food" rhyme, and "r" is always pronounced).
This article compares Scotland with England: https://www.theguardian.com/education/2010/jan/19/phonics-ch...
One thing I've never seen addressed is the difference in accents between Scotland on the one hand, and England and Wales on the other. Scottish pronunciation of Standard English is in general closer to English spelling (e.g. "good" and "food" rhyme, and "r" is always pronounced).