When we hear certain accents, we can make judgements about the speaker, such as their nationality. We can judge the nationality of a speaker by listening to his/her accent. For example, American and British both speak English language, but by listening to their accent, you can tell who is American and who is British. Judging by hearing, British accents can be more difficult to undestand than the English accents. Moreover, In American accents words are pronounced with an unrounded vowel, while In British accent vowels tend to be more traditional.