Pepsi has a strong brand equity. over the years, pepsi has introduced vanilla pepsi, lemon pepsi, pepsi one, pepsi blue, and pepsi edge. these expansions of the pepsi brand are termed:

(a) category extensions
(b) product extensions
(c) national extensions
(d) line extensions
(e) extension brands

These expansions of the Pepsi brand are termed: "(D) Line Extensions".

Explanation: The extension of the line is the creation of a new product with two fundamental characteristics: First, the product belongs to the same category in which the brand was already entering. Second, the organization continues to use the same brand that it traditionally used in that category.

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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.