The correct option is an option (d), i.e. manager.
What does the campaign manager do?
A political campaign's operations, including fundraising, advertising, opinion research, voter turnout (with direct contact to the public), and other activities directly supporting the effort, are coordinated by a campaign manager, campaign chairman, or campaign director, who may be employed or volunteer.
Why is campaign management important?
A marketing campaign's management is essential to its success. It enables you to swiftly make modifications if necessary, enabling you to manage every component of a campaign, and streamlines the entire marketing process to make execution simpler.
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