Final answer:
The National Association of Broadcasters was initially formed to regulate broadcasting frequencies, ensure the operation in the public interest, and adhere to the standards set by the Radio Act of 1927 and the FCC established in 1934.
Step-by-step explanation:
The National Association of Broadcasters (NAB) was initially formed to serve as the voice for the nation's radio and later television broadcasters. By setting standards, advocating for the industry, and providing education and innovation, it aimed to overcome the chaos of unregulated broadcasting frequencies and signal overlaps. The NAB focused on ensuring broadcasters operated in the public interest and adhered to regulations set forth by the Radio Act of 1927 and later by the Federal Communications Commission (FCC), established under the Communications Act of 1934.