Our non-violent cause will give you skills that will last a lifetime. When Dr. King sounded the call for justice, the freedom riders answered the call in droves. I am giving you the same opportunity to join the same cause, to free your fellow human beings from the yoke of oppression. —"Lessons of Dr. Martin Luther King, Jr.,"
Cesar Chavez

Which of these statements best describes the author’s purpose in this passage?

to improve the farmers’ working conditions
to boycott grapes that use harmful pesticides
to gain support for nonviolent resistance
to learn new skills