Based on the beginning of yale’s essay , how does the structure support her central idea

Read the excerpt from it's our world, too! : young people who are making a difference. the author’s purpose in this excerpt is to

Andy bernard laughed at my joke, spitting out his water. complete thought incomplete thought

10. what is the purpose of the introduction in an essay? a. to establish the main idea of the essay. b. to focus on current statistics c. to explain the main idea to the reader d. to highlight the most important concepts