Which of the following describes the author's purpose in the text?
A. to explore how farm workers' rights have changed in America over the years,
and how migrant workers continue to be taken advantage of today
to provide information about various civil rights and labor rights activists and
the positive changes they accomplished
to explore the changes that Chavez wanted to see that didn't transpire, and
what we have to do to achieve that change
D. to provide information about important moments from Chavez's life and his
greatest contributions to farm workers' rights