What principle was john adams referring to in this statement?

John Adams (1735–1826), who served as the first vice president of the United States and then as its second President, also influenced the development of constitutional government through his political writings and thought.

Explanation:

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.