How did the British get their accents?

There are hundreds of British accents and they originated where people lived and worked. Before WW2 in Britain,people did not move around a lot and many local dialects and accents thrived and still existed in rural areas into the 1970's.
There are hundreds of British accents and they originated where people lived and worked. Before WW2 in Britain,people did not move around a lot and many local dialects and accents thrived and still existed in rural areas into the 1970's.