What is the meaning of the word "catalyst" as it is used in the following sentence? tragedies are often a catalyst that causes communities to come together.

a a common enemy
b a complex chemical reaction
c something that causes a change
d an event that makes people sad

Which of the following best explains why the author chose the compare-and-contrast structure for paragraph 2

How many lynching took place in the south between 1877 and 1950

In what way is victor frankenstein, instead of his creation, most clearly monstrous? a.he disconnects from his family and friends. b.he wishes that he could control the world with his monster. c.he believes that he can achieve success in the scientific world. d.he becomes angry at the monster, even though he created it.