As more competitors launch their own products and the product progresses along its life cycle, company attention is focused on creating demand, or the preference for a specific brand.

selective

Explanation:

Based on the information provided within the question it can be said that in this scenario company attention is focused on creating selective demand. This refers to placing specific advertising messages in order to convince customers into buying your new product by attracting them with the benefits of your specific brand product. Doing so with the hope of achieving more sales than your competitors.

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.

answer; monopolistic competition;