The area of the United Kingdom is not large, but if the English dialects in the United Kingdom are subdivided, there are more than three hundred types according to statistics. The area of the United States is much larger than that of the United Kingdom, but in the United States, the differences in the dialects of English are much smaller than that of the United Kingdom. The dialects of American English can be roughly divided into three types: East, Midwest and South. Eastern dialects are distributed in the northeastern region with Boston as the center; Midwest dialects extend from the center to the west, and southern dialects are distributed from Virginia to Southeastern Texas.
The complexity of dialect differences has nothing to do with the vastness of the country expresses the author's point of view.