Knowing only one language, English

Knowing only one language, English . You can communicate with people on Earth has more than a billion people , most of whom are from countries that have a major role as the political, economic , education and other aspects of the social world in the present the United States and England English is the main language used in the foreign language for communication between most countries . Many people define English as an international language or international language today there are over 50 countries around the world have declared English as their official language. And international organizations such as the United Nations was also the first in English as the main language for communication .