The spending of money is the action suggested by the textbook to help the incumbents candidate win reelection at staggeringly high rates.
An incumbent candidate refers to an officer that is seeking a re-election to the exact office he/she currently hold.
Thus, this textbook emphasizes the role of money in inflencing the people (citizen) to vote for him/her while still in office.
Hence, the spending of money is the action suggested by the textbook to help the incumbents candidate win reelection at staggeringly high rates.
Therefore, the Option B is correct.
Missing options " a. political parties b. money c. recognition"
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