Answer:
The correct answer is "absentee voting".
Explanation:
Absentee voting is the act at which a person accomplish is citizen obligation of voting but by means different of attending the official polling station, either because the person is unwilling or unable to attend it. Voting using a ballot obtained from an officer in person or by mail is to vote without attending the official polling station, therefore, this is an example of absentee voting. Military and oversea voters are examples of people that could vote using absentee voting means.