The answer to your question is c
I think you forgot to give the options along with the question. I am answering the question based on my research and knowledge. "By describing the Cold War paranoia that reigned at the time" did Michio Kaku establish the sense of urgency that compelled the development of the internet in "how the internet and other technologies came about".
i would use number 1 & lastly number 3 i hope this helps
