This isn't a question at least I don't think it is
Take a picture so i can see the passage
Answer: Mexican-Americans were fed up with unequal treatment. Students have the right to express their political opinions, but they may face consequences. Barbara Johns organized a walkout to protest unfair conditions for Mexican-Americans.
Explanation: hopes this helps
The definition of "vengeful" is:
to harm someone in return for a previous injury.
Basically, seeking revenge.
Hope this helps!