Final answer:
Voter registration laws exist to encourage voter turnout by ensuring eligible citizens have the opportunity to participate in the electoral process.
Step-by-step explanation:
Voter registration laws exist for various reasons. One example is to encourage voter turnout. Registration allows governments to determine which citizens are allowed to vote and from which list of candidates they may select a party nominee. By having a registration process in place, it helps ensure that eligible citizens have the opportunity to participate in the electoral process.