why is English spoken all over the word?

Historically, the British colonized many places around the world and made English the official language in the colonies.

Because Englishmen used to be everywhere in the world

1.Because it's one of the easiest languages.
2.A lot of countries have their first language as English

English is the most-widely used language in th World. In order to communicate with other people effectively and learn the advance science and technology from other people, we need to learn English and master it.

english is an international language. when you're traveling, and you can't speak the country's mother language, english is a platform where you could communicate with the natives.
英语是一个国际化的语言,当你在任何地方旅游而不会说当地的母语时,英语是一个能够帮助你和当地人交流的平台 = )

because English is so useful