1. C
Political parties and interest groups differ because political parties focus on a wide range of issues; interest groups are more narrowly focused. A political party is kind of a way of living that involves a broad variety of elements because life itself and people who vote are interested in health, economy, environment etc, while interest groups choose to focus on the interest.
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2. B
The data shown in the infographic impacted American democracy in a way that the mass media provide citizens with information more quickly than in the past. This make sense considering the power that internet and television have in the spread of the news on a global audience, in comparison with old news methods.
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3. B and C
American media is effective at holding public officials accountable and influencing the public agenda. Accountability and influence are two of the main function of the media, some have one aspect more prominent that the other, but they do coexist in every level. No one is absolutely impartial, even if it should be a journalist number one goal.