Which dialect of American English was NOT yet well established by the time of the American Revolution?

Name: Which dialect of American English was NOT yet well established by the time of the American Revolution?
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Question

Quizplus · Accepted Answer

The Western dialect of American English was not yet well established by the time of the American Revolution because the Western territories were not heavily settled by English speakers until after the Revolution.

Which Dialect of American English Was NOT Yet Well Established