I think it would be the diversification of races and culture that the United States have today. Immigration have changed and shifted United States in politics, economics, social and culture that enables the US to be what it is today. Diversification plays a significant role in the US because it shifted the policies of the country and it makes the country more flexible and achieve a level of prosperity and progress in all aspects.
People learn information about politics from media, tv, as well newspapers. These sources provide information as well influence "voters" which story they believe is the "best". Without the media the politicians don't have a platform to get the word around about them. <u>Without politicians the media site isn't receiving as much clicks as they would receive if they had an article about a politician.</u>