The authors argument is that volunteering helps many people, not just those being directly benefited in visible ways. The author uses statistics from a study to support his/her argument.
So take this^ and add lots of info and textual support to create at least 8-10 sentences.
In the mid-188’s Walt Whitman was considered a revolutionary because no one had ever written poetry like his before. His poetry was not only “free-verse” instead of a structured, rhymed writing style; it was also about the complexities of personal life, cultural life, and about things previously considered of intimate nature.
Anything possibly from what they think they understand from the excerpt