Final answer:
The article primarily addresses the negative effects of social media on society, such as cyberbullying and decreased life satisfaction among teens, while acknowledging some positive outcomes like political engagement. The correct answer is option: A The researchers also found that social media use predicts lower life satisfaction at 19 years old in both sexes, per the Guardian's lan Sample.
Step-by-step explanation:
The main idea of the article, as inferred from the provided excerpts, highlights the negative consequences of heightened social media usage and how it shapes different aspects of American society, from the mental health of adolescents to the political engagement of adults.
It discusses both the drawbacks such as cyberbullying, potential reduction in academic performance, and Face-book Addiction Disorder (FAD), and some positive effects like increased political agency and participation. However, the article suggests that despite the beneficial outcomes, the negative effects are significant and necessitate consideration of how to mitigate these impacts on both individual and societal levels.