Movies, Television and Radio has played a major role in materializing moral and social change not only in America but also in other parts of the world. Common people tend to favor what their ideals from the media do. And they eventually adopt that behavior. E.g people especially women tend to wear similar dresses as worn by the actresses. Men tend to follow the same fashion pattern. Their behavior is influenced by the movies. They drink and eat as the actors do in movies. Thus if burgers are getting popular on the movies, it will popularize elsewhere around the world as well.
