What roles do paragraph 1 through 3 mainly play in the story

What is the central idea of “the light of gandhi’s lamp”? how does the central idea emerge and develop over the course of the passage? use evidence from the text to support your response. your response should be at least two complete paragraphs.

I’ve given a lot of thought to what one of them should be, and the answer seems clear.

How might a reader find tables charts or graphs useful