In the 19th century, Emerson and other writers taught readers a theory called "self-help theory. " In their opinion, a person with a personality must have a full brain. Guidance in this thought In order to gain the respect of others, it is necessary to extensively explore outstanding works in cultural history in his spare time. At the same time, it is also necessary to be familiar with philosophy, theology and major political events worldwide. This atmosphere has been shaped for more than a century U. S. Journalism. During those decades, magazines were dedicated to promoting classical opera, elegant art, and religious theology, not cinema or popular health common sense. What does this text mean? ['News media is a concentrated expression of mainstream cultural outlook.', 'Extensive reading can enrich our brains.', 'The mainstream media has the responsibility to guide public taste.', 'Self-help theory provides direction for the development of American journalism.']