People who are qualified to vote are a part of which of the following?

voter noun
someone who votes in an election
electorate noun
all the people who are allowed to vote in an election
constituency noun
the voters in a division of a country who elect a representative to a legislature
elector noun
someone who has the right to vote in an election
constituent noun
someone who lives in a constituency and is allowed to vote in elections
independent noun
a politician or voter who does not belong to any political party
electoral college noun
a small group of people who have the responsibility of electing someone to an important position
turnout noun
the number of voters in an election
security mom noun
americaninformal a mother who believes that the safety of her country and action to stop terrorism is very important, and who is influenced mainly by this belief in her choice of which leader to vote for
the grey vote noun
older people, especially people over 55, considered as a group of voters in an election
vote bank noun
in South Asia, a large group of voters from a single community who always support a particular party or candidate in elections

C. The South and the Southwest

Explanation:

The South and Southwest regions of the USA are considered part of the Sunbelt.