USA HISTORY

Detailed explanation-1: -Radio completely changed the landscape of mass media with its incredible ability to transmit crucial developments from across the globe. Transmission of information thus became easy and widespread. By the early 20th century radio began to change the world, as it became the main source of broadcast news.

Detailed explanation-2: -(a) As an effective means of mass communication, these media provide news to people throughout the country including rural areas. (b) People are also made aware of the programmes and policies of the government. (c) They provide educational programmes that can be understood even by the illiterate people.

Detailed explanation-3: -Radio fostered a real-time national conversation during challenging times of Depression and world war. And it became the single greatest force (before television and the internet) in developing a mass culture of sports, entertainment, news and advertising.

Detailed explanation-4: -Radio has changed the way we communicate with each other, how we share and promote our thoughts, opinions and creations-but not just that; at times, your radio is your companion: loyal and enlightening, ever prepared to share music with you or give you the latest headlines.