Which statement describing the brown v. board of education case is not true?
a.
chief justice earl warren convinced the eight other justices to hand down a unanimous decision.
b.
the court ruled that the 14th amendment did not apply to "separate but equal" public schools.
c.
the earlier plessy v. ferguson decision was overturned by brown v. board of education.
d.
thurgood marshall argued the naacp's case before the supreme court.