Final answer:
Certain criteria may disqualify individuals from voting in the U.S., such as being mentally incapacitated, serving a felony sentence, and not registering to vote. However, being between 18 and 21 years old does not disqualify a person from voting.
Explanation:
In the United States, certain criteria disqualify individuals from voting. Among these criteria, being mentally incapacitated, serving a felony sentence, and not registering to vote are common factors that can lead to disqualification. However, being between the ages of 18 and 21 does not disqualify a person from voting in the United States.
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