1. False. Politicians should worry about it not only during election season, but during their term(s) as well.
2. A. Bandwagon.
The bandwagon method of propaganda appeals to people's desires to do what their friends and neighbors are doing.
The testimonies method of propaganda appeals to people's desires to do what their friends and neighbors are doing.
The glittering generalities method of propaganda appeals to people's desires to do what their friends and neighbors are doing.
The name calling method of propaganda appeals to people's desires to do what their friends and neighbors are doing.
Bandwagon makes more sense in the sentence.
3. B. Testimonials
Advertisers often pay athletes to give name calling about a product saying that they use it.
Advertisers often pay athletes to give testimonials about a product saying that they use it.
Advertisers often pay athletes to give bandwagon about a product saying that they use it.
Advertisers often pay athletes to give glittering generalities about a product saying that they use it.
Testimonials makes more sense in the sentence.
If you don't know what word should go in a certain sentence, just say the sentence out loud with the word to see which word sounds better in the sentence.
Hope this helped,
-Anime