Respuesta :
The propaganda technique that promotes the idea that a belief or course of action is popular is: Bandwagon.
- The bandwagon effect is the course of action that prompts people to do a thing because others are doing the same thing.
- For example, if a celebrity or other popular people are known to wear certain cloth brands, followers might be moved to wear similar things.
- Therefore, bandwagon is the correct answer.
Learn more about bandwagon here:
https://brainly.com/question/1058000