Question

why was federal regulation of radio such an important issue to solve as radio broadcasting grew in popularity? radio broadcasts were becoming too expensive and thus regulations were used to decrease its cost. television programming was gaining popularity, so new regulations helped increase radios presence. radio frequencies were a limited resource that required regulations to decide who had access to them. radios required more oversight because they were using their platform to create public divisions.

Explanation:

Radio frequencies are a finite resource. As radio broadcasting grew, regulations were needed to allocate these frequencies fairly and avoid interference. This is the main reason for federal regulation. Other options are not the main reasons for such regulation.

Answer:

C. Radio frequencies were a limited resource that required regulations to decide who had access to them.