I think that the use of rain is meant to symolize purification of all evil things.
Answer - Infinitive
A verb that starts with "to" is in an infinitive verb form. Typically, an infinitive can function as adverbs, adjectives or as nouns; it usually does not function as a verb. Also, an infinitive <span>has no inflection binding it to a particular subject or tense.</span>
Answer:
Trade with China is an enormous privilege
Explanation:
The Emperor seems to do that because the European States will be in need of what China has, but he does state that it is a signal mark of <u>favour</u> (this word can be defined as: "an act of kindness beyond what is due or usual"). This shows that even though you might consider that the emperor is being kind, he also believes that he is conceiving a privilege to the westerns.
The plot is the answer. hope this helps