I believe the correct answer is the last one - to provide a contrast to his group's nonviolent efforts.
Martin Luther King advocated protests, but those which didn't end up in violence. He wanted to fight for equal black rights, without having to resort to aggression and crime. Thus he added these sentence to distinguish his group from those such as Black Panther Party, and others.
Critical tone
Meaning one - Adjective: containing or making severe or negative judgements .
Meaning two - Adjective: containing careful or analytical evaluations.
Hope this helps :)
Have a great day !
Answer:
The crowd love Katniss and Peeta; they go crazy screaming their names and throwing them gifts.
Erin's soccer ball,It has correct use.