Why was the 23rd amendment necessary?

Congress passed the Twenty-Third Amendment on June 16, 1960. The proposed amendment was quickly ratified as part of the Constitution. ... The Amendment allows American citizens residing in the District of Columbia to vote for presidential electors, who in turn vote in the Electoral College for President and Vice President.

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the influence of daoism, buddhism, and legalism on chinese culture. unlike confucianism, daoism looked to nature rather than human beings as the source of morality. according to laozi, human society has to conform to the dao (the way), or the essential unifying element of all that is. some interpret dao as nature.