Which concept is illustrated by the fact that congress has the power to introduce and pass laws and the president has the responsibility to enforce all federal laws?

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.

i think the answer's are a) b) and c)