State any two ideas of the philosophers you consider to be the most important for society to function effectively

Human choice was motivated by the desire for happiness and ultimate wisdom comes from knowing oneself

Explanation:

Voltaire’s idea of religious tolerance and liberty is important for a well-functioning society. Religious freedom prevents the oppression of religious minorities. It also promotes a kinder society, where people can practice their religion without discrimination. Jean Jacques Rousseau’s writings about a social contract are also important. A social contract between a government and its people promotes a sense of security. Under this agreement, a government grants its people important rights, such as the right to vote.

Explanation:

regarding the law, the 15th amendment was specifically designed thinking in the rights of black free men.

even though ratified on february 3, 1870, the promise of the 15th amendment would not be fully applied for a long time.poll taxes and literacy tests would allow southern states disenfranchise african americans. only in 1965 the voting rights for african americans would be actually able to vote in the south.

in 1965, president johnson signed the voting rights act, which aimed to overcome legal barriers that prevented african americans from voting as it was guaranteed by the 15th amendment to the u.s. constitution.