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.

Explanation:  I hope this helps you! :)

seeing as no choices were provided, i'll do my best to answer it from knowledge.

job specialization promotes work ethic to the person doing the job. he/she may be strong in the arms and able to lift things, specializing him/her in a job where you lift and carry.

is this like a kind of true or false question?