Please elaborate on your question so I can help you..
#1) How are today's communication technologies and communicators different from those Orwell imagined in "1984"
Answer: The technology was used for controlling means by placing telescreens and clandestine microphones everywhere, at work, market places or even in the comforts of their own home. Today's technologies are not used for that purpose.
The United States emerged as a great industrial power following World War I -- the most powerful nation in the world, in fact.
The growth of the United States as the world's leader in industry had been proceeding rapidly already prior to the Great War (which we know as World War I). By 1900, 38% of the world's wealth was held by the United States. By 1914, the US produced as much coal as Britain and Germany combined, as well as producing over 40% of the world's iron.
But before World War I, the United States tended to take an isolationist stance toward other nations. World War I advanced the US into superpower status as a nation that used its industrial might to involve itself in global affairs.
I believe the answer is B