Your answer would be both A and B
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".
Say the pledge of allegiance and follow laws
This is basic, but drama is live, while film is recorded. There can be connections with the audience in dramas. There's usually more (or better) intimacy in dramas. In films, intimacy is usually from a close-up view.
Hope that helped!