Which best describes the overall purpose of "youth activism and animal rights”? to entertain readers with a sad story
to educate readers about an important issue
to convince readers to join a cause
to inform readers about a historical figure

the answer is : A to entertain readers with a sad story. i just took the test

The answer is: to convince readers to join a cause.

By writting this the writter tries to invite and persuade the reader to be like the kids that are doing this activism, is almost like an example of how young activist are doing things, and how the reader can join the cause and starte helping other too.