The main reason that English has become such a popular history. This was the result of the expansion of colonial power Britain, which rapidly flourished until the end of XIX century. An important reason in US education. Everyone knows that America is the leading economic power in the world. That's why English has become so popular!Because many of the country speaks English.Популлярность English language began with the development of America, because America became the largest colony of England. In other British colonies English also caught on and stayed on as a second language, for example, in India.