Is a plurality of votes always the same as a majority of votes?

A plurality vote (in the United States) or relative majority (in the United Kingdom and Commonwealth) describes the circumstance when a candidate or proposition polls more votes than any other but does not receive more than half of all votes cast.

Explanation:

-an amendment is proposed.

-two-thirds of congress must approve.

-thee-quarters of states must approve.

-the proposed amendment becomes law.

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