The Differences of Pronunciation between American English and British English

This paper begins with a brief introduction to the two branches of the English language.Analyze the differences pronunciation between American English and British English,then demonstrates the reason why cause the different.Firstly,about four hundred years ago,people from Britain,German,France and many other parts of the world came into the U.S.They not only brought their rich cultures but also their languages too.Secondly,because of its territory expansion and economic development,American English become stronger.And then in different vowels and consonants analyze the differences of pronunciation between American English and British English,and set some examples.