Related Clues:

• Say 'nay,' say
• Pull a lever, maybe
• Decision by a majority
• Sign on with broken toe - those in the house would want you to do it
• Word on a political button
• Check a box, perhaps
• Democratic Submarines song
• Help to make a state red or blue
• Show of hands, e.g
• Suffrage, with "the"
• Campaign commercial request
• Preference indicator
• Register a preference
• Do one's civic duty
• Primary imperative?