Which sentence best summarizes the following excerpt from the Chinese Exclusion Act, which Congress passed in 1882?

Metaphor is a figure of speech in which word or phrase represents an object or an action that is not applicable literally. In the work of Charles Dickens entitled "A Christmas Carol", he uses metaphor in this sentence; "Scrooge is so unfriendly, cold-hearted, and cruel that the very air seems to chill with his presence."