In the early 1960s, the major labels tried to regain the rock and roll market by: Creating rock and roll-themed consumer products Creating new labels Promoting Teen Idols Lobbying Congress

promoting Teen idols

Explanation:

In the early 1960's the major record labels tried to regain the rock and roll by promoting teen idols. In the beginning of 1960's, the old powers of the music industry became involved in rock and roll, either hoping that it would prove to be a passing fad or that they would be able to control it. Their strategies that involves the cleaning-up of the artists as well as the music resulted in the deliberate creation of teenage idols. Still, the kind of teen music proved to retain enough of the rock and roll spirit to carry it through the seven lean years from 1958 till 1964, when the British Invasion hit the United States to secure the new stream.

The major recording labels intervened and employed in the market of youth music to preserve the music of rock and roll, the majors contributed to the evolution of rock and roll in the 1960's this way, they established music industry — quite unintentionally — and did set the third step in the social construction of rock and roll.

the us constitution is a living document, meaning that it can be changed over time as the country changes.

i believe your answer is d)