It means exactly what it says...to write about what you know. If you know about something than you'll have more to say and have an opinion. If you don't know about a subject...there's less to say.
I think your answer is choice C
Answer:
There is better intelligence now about terrorism, thanks to modern surveillance techniques.
Hope this helps.....
Easiest way to write a summary of a book is to read the first chapter, a few of the middle chapters, a few pages here and there, and the last chapter. Summarize the book, and add little details you think might be important. What do you need help with specifically though?
