How do candidates for public office, especially at the state and national level, use the media to get elected?

They use media to get elected by making people think that they are great so they can get their vote and make them think that they are going to do great things.

it is the dominance of   the spanish language and roman catholic region in mexico, french being the official language of several african countries, and the existence of a western-style government in south asian countries

i believe it d) heterogeneous