The constitution and the bill of rights list many things the government cannot do, such as arrest someone without unreasonably restrict citizens' freedom of speech. in order to protect yhose rights, who had the duty to exercise them responsibly?

thurgood marshall

explanation: in 1954, thurgood marshall and a team of naacp attorneys won brown v. board of education of topeka, kansas. in this landmark decision, the supreme court held that segregation in public education violated the equal protection clause of the fourteenth amendment.