Answer: 4:To prevent voter fraud and cheating during elections.
Explanation:
The voter identification law refers to a law which requires an individual to show some form of identification so that such person can vote. Proofs such as drivers license, passport, etc may be used.
According to the American Civil Liberties Union (ACLU), the primary intention of voter ID laws is to prevent voter fraud and cheating during elections.
Therefore, the correct option is D.