During the Early Years of American Broadcasting, Radio Advertising Was

Multiple Choice

During the early years of American broadcasting, radio advertising was

A) prohibited by order of the Secretary of Commerce.
B) quickly adopted as an important source of financial support.
C) largely limited to "institutional" advertising, dignified mentions of brand name, price, and retail outlet.
D) filled with crass announcements of sponsors' products.
E) banned by broadcasters themselves.