provide evidence for; stand as proof of; show by one's behavior, attitude, or external attributes
give an exhibition of to an interested audience
establish the validity of something, as by an example, explanation or experiment
march in protest; take part in a demonstration
the act of protesting; a public (often organized) manifestation of dissent
express opposition through action or words
a formal and solemn declaration of objection
affirm or avow formally or solemnly
the act of making a strong public expression of disagreement and disapproval
utter words of protest
