And invisible to me because it was so remote and small, flying swiftly and steadily toward me across that incredible
distance, drawing nearer every minute by so many
thousands of miles, came the Thing they were sending us,
the Thing that was to bring so much struggle and calamity
and death to the earth.
-H. G. Wells, The War of the Worlds, 1898
Which words in the passage help create a sense of fear and anxiety?