Step-by-step explanation:
English language is mostly known by all the people of different countries by which it can help us while communicating to the people of other countries. Incase if we are visiting other countries and we don't know there languages properly then we can communicate in english and help them. As, English is the language of International Communication . Knowing english language can help u in both personally and professionally. English is also the language of internet. Travelling is a lot easier with a good knowledge of english. You also can study all over the world with english. There are many more reasons like this.....
Hope it helped you...