Which of the following best states the purpose of branding

what are the choices

a. to ensure that a producer will have sufficient resources for production?

b. to push competitors into making slightly differentiated products.

c. to associate a specific product with quality and popularity.

d. to generate positive news stories about a good or service.

which time period is this? or is this story fictional, i'm going to need more info to answer this question

an early twentieth-century ad for model home blueprints