+ American commercial system o Commercial network systems OThe media serve the public, but depending on financial support from advertising sponsorship and so I sO on o Competition is better for the audience audience have rights to choose Deteriorating of content reducing news hours, ignoring of minority and diversityAmerican commercial system Commercial network systems The media serve the public, but depending on financial support from advertising, sponsorship and so on. Competition is better for the audience: audience have rights to choose Deteriorating of content, reducing news hours, ignoring of minority and diversity