Answer: Consensus
Explanation:
Consensus is defines as the process in which decision among various group of people persisting ambiguous thoughts is made through agreement.Group member agree upon a certain fact and thus, decision is finalized.
According to the question,politician is using consensus means to convince voters that she should become next voter as per voting poll.She is displaying poll for showcasing large amount of voters are agreeing to her position . Thus, people will have general agreement among them to make her next mayor.