40s-50s media types, what is the most influential media

Chinese media in the 40s and 50s generally used newspaper media, mainly People's Daily, Bohai Morning Post, and its mass media favored businessmen, capitalists monopolized the market, and for publicity it was generally newspaper printing, then it extended to radio broadcasting, and then to black and white television, and then to today's color television, digital television, and the mainstream of the media went from the upper class to the mass popularization, and everyone participated in the National Tongbao Cup Tianjin Tongbao Fortune Square Dance Competition, which was held in Beijing in the 40s, and was held in Beijing in the early 50s. Start of the competition