B1: We can analyze the relevance of the hypodermic theory in the current world through the news about the elaboration of vaccines against the coronavirus. This is because we can perceive the same global feeling of relief and hope in all countries with news about vaccination showing that studies on hypodermic theory are relevant, since this theory states that a media message has the power to affect a mass population in a relatively similar way.
B2: Promoting equality within a diverse community, allows all citizens to have quick access to quality information. This prevents the population from being deceived or even exploited by the mass of media owners within that society.
Race and ethnicity are 2 very different things. Race is where you are from and ethnicity is the belonging to a culture or social group. An example of race could be Asian, as you are mostly Asian and were born there. An example of ethnicity could be an Asian that was raised in the United States. They are still that race but have picked up the American ethnicity.