This is a dramatic speech used by one character as an answer to a dialogue that has been on. The character could have been put a question by another character and this question could have activated the character's inner thoughts. As a consequence, he shares these reflections with both the other characters present on stage ,and the audience. The audience will undertand the play better through this dramatic speech.
To see how much knowledge you have gained, to see what helps you learn and also these tests tell your teacher what they need to do to improve there teaching as much as for you to improve your knowledge