During the 1950s, television: a) "effectively spread images" of working-class life to a growing number of Americans. b) tried to replace newspapers as the most common source of information but failed. c) became the nation's least favorite form of leisure activity. d) became an effective advertising medium. e) presented shows that were controversial.

D) became an effective advertising medium.

Explanation: Television which is sometimes referred to as Tele or TV is an electronic device used to transmit moving images of object, a television receives signals from external sources which includes the Television stations and converts the signal received into sounds and pictures of different objects or persons as it is been played out or transmitted from the source or the Television stations.