Answer:
Why = So that everyone can communicate with each other clearly. Literature breaks all the language barriers that could prevent a masterpiece (which is why many foreign inventors or prodigies abroad had vigorous English courses)
How = School, internet, books, even just speaking in general can help
B.
This description was probably used for comic relief.
The caged bird singswith a joyous songof the captive life that kept it safe all along.This answer exemplifies the two birds: free and caged. Free in such a way that it is able to sing a song of its choice, and caged, because even if it is in captive it has something to be thankful for, its safety.
Answer:
D- Refusing to testify against oneself in court.
Explanation:
B. Because a particular word may have multiple meanings.
E.g. I will PARK the car.
Let's go to the PARK.