Television's impact on mass media and advertising in the 20th century.
Television revolutionized mass media and advertising in the 20th century, starting with the broadcast of President Franklin Roosevelt's speech in 1939 and gaining popularity due to coverage of World War II. The 1950s marked a significant increase in television ownership, leading to a surge in advertising spending and the dominance of TV in the advertising industry.
https://brainly.com/question/42372303