Television Was Available to Consumers by the Mid-1930s, but When

Television was available to consumers by the mid-1930s, but when did it become widely adopted as a medium for getting news about politics and the world?

A) Prior to World War II
B) During the manufacturing boom of World War II
C) During the post-war economic boom following World War II
D) During the early 1960s
E) During the late 1970s