The correct answer is B. Lobbyists give small groups a voice in U.S. politics but may influence lawmakers to support policies that do not benefit the public in general.
Step-by-step explanation
A lobbyists are people who act to influence the public administration seeking to influence their specific interests. This has had a positive effect on different groups in society (Afro, Latino, Asian, feminist, indigenous, among others) to influence government decisions at all levels (executive, judicial and legislative) allowing a more democratic government. However, it has also brought negative effects since each of the groups has different interests that do not respond to the interests of society in general. According to the above, the correct answer is B.