A factor that could make elections to be free and fair is the

The factor that could make elections to be free and fair is the registration of eligible voters. This is because only those who are registered as voters are allowed to vote, ensuring that only those who are entitled to vote are allowed to do so. By registering voters, the electoral commission ensures that only those who meet the eligibility criteria, such as age and citizenship, are allowed to participate in the electoral process. This helps to prevent electoral fraud, as ineligible persons are prevented from voting.