The benefits are that you get to collaborate and get to know people better. The disadvantages are that you guys have to work in unison , and sometimes you don’t agree with your peers.
The answer to your question would be option B. Hope this helps you and enjoy the rest of your day :)
The major topics or social issues discussed in the book are peace, education, women's status, cultural belonging, and rights and freedom. Malala shares her personal experience relating to these topics, and demonstrates her position in these social issues.