Wich word is an example of a demonstrative adjective

The development of new inventions in the field of space travel seemed rapid. how does the word rapid function in a sentence?

Which statement is true of the antagonist of a character vs. nature conflict? the antagonist is generally more powerful than the protagonist. the antagonist is a person or personified object. the antagonist and the protagonist have the same values. the antagonist is always difficult to fletermine.

In the following line, "so many crazed men, so much shouting, so much brutality, " what type of rhetorical feature is wiesel using to emphasize the image?