30 points + mark as the brainliest use the internet to research legal concerns that could result from increased use of technology in business. discuss some of these concerns.

the answer is b for dog

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; at prices that violate government price regulations;