a right-wing group in the US started in 1983 which campaigns for English to be the only official language in the US as a way of forcing immigrants to become more integrated into society. It opposes the use of other languages, such as Spanish, in education, etc.
US ENGLISH
Meaning of US ENGLISH in English
Oxford guide to British and American culture English vocabulary. Руководство по британской и американской культуре, Оксфордский английский словарь. 2005