The correct answer is foot-in-the-door phenomenon.
This means that if a person agrees to comply with a small favor, they are likely to do something more as well. So, these people will listen to the telemarketers' pitches, which means that they might even buy the product afterwards.
Tricolor glazed pottery and purple clay pottery.
B. Compromise of 1877
D. Homestead Act
D. Radical Republicans