The answer is 'the broad application of the Fourteenth Amendment to state policy'.
In 1837, the incorporation of the Bill of Rights into the Fourteenth Amendment had an opportunity but was dismissed by the Court. After the Slaughterhouse Case, the Court essentially impeded any further progress regarding the privileges and immunities clause.
<span>The headline "African Freedom Spreads: Congo, Kenya, Algeria Achieve Independence" pertains to events that unfolded in the 1960s, which corresponds to option c. During the 1950s, rebels returned, engaging in guerrilla warfare that the British suppressed, ultimately leading to independence for Algeria from France, Congo from Belgium, and Nigeria. All these events transpired in the 1960s.</span>
Marca el inicio de un periodo histórico remoto.