Please Help! Which best describes the author’s primary purpose in the prologue of Free the Children?

to persuade readers to take up a cause
to guide readers through a set of steps
to educate readers about a serious issue
to entertain readers with a dramatic story

a or c

Explanation:

it's a cause or a issue but I'm not sure which one

C

Explanation:

to educate readers about a serious issue

c. barbarians with unexpected intelligence  

answer: this is easy, i found "it"

i will repeat the question again, "find it."

here, i located it.