Answer:
Congress passed the law so 18 yr olds could enlist in the armed forces.
Step-by-step explanation:
In order for people to enlist they have to have the right to vote. Congress did this so they could have more people enlist in the Veitnam war.
Congress did that because when you're 18yrs of age , you are almost an adult.
1. It has helped in the election of presidential and parliamentary candidates
2. It has helped to improve marriages .
sorry if I'm wrong
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