Sheila has just finished writing a press release regarding a new product developed by her firm. she intends to email the release to local radio stations and newspapers, and certain national magazines, in hopes that they will find the information newsworthy and decide run a story about the new product. this activity is part of her firm's efforts.

a. public relations.
b. institutional advertising.
c. secondary advertising
d. interactive marketing

Letter A is correct. Public relations.

Explanation:

Public relations in an organization is characterized as a communication strategy between the organization and its potential audience in order to manage effective communication and build relationships that benefit the company and the consumer.

Public relations professionals focus their efforts on creating a positive reputation for the organization through paid or unpaid communication that can take place via newspapers, magazines, the internet, tv shows, social engagements, events, and the like. that is beneficial for the reputation of the company to be built in accordance with predetermined parameters required by stakeholders.

the first successful, urban blues recording, selling more than 75,000 copies, was made in year 1920.

mamie smith recorded the first commercially successful example of the urban blues,   with the recording of “crazy blues”."crazy blues" was recorded on august 10, 1920, in new york city. within a month of the release of “crazy blues” it had sold 75,000 copies.