Which answer most correctly analyzes the political developments that led to desegregation in the united states?
a) the freedmen’s bureau started a grassroots campaign to petition state legislatures to eliminate jim crow laws from their constitutions.
b) the practices of institutionalized discrimination and racism were eroded when brown v. the board of education overturned plessey v. ferguson.
c) desegregation was eliminated when president kennedy used executive power to uphold the equal protection clause of the fifteenth amendment.
d) the united states congress passed the civil rights act of 1962 that led to the elimination of desegregation throughout the country.