Relative clauses are types of dependent clauses complete independent sentences - they usually refer to a single word and modify them. Here, in this excerpt, the relative clause would be that we can see in nature. Relative clauses usually begin with pronouns such as who, what, that, etc.
A- It uses imagery and metaphor.
It makes you think about what happens using metaphor!
The setting of Hamlet is in Denmark and there is even a famous quote from the play that says "Something is rotten in the state of Denmark".
