In Romeo and Juliet, how does the imagery in III.ii affect the mood?

Before I answer this question regarding William Shakespeare's tragedy Romeo and Juliet, let's review these two key literary terms: 

Imagery:A literary device that evokes the senses of the reader using descriptive language. Note: this is not solely visual - language that evokes any sense is visual

Mood:A literary term for the reader's response to a text

I'll provide you with a few quotations and some brief analysis: 

• "Gallop apace, you fiery-footed steeds,...

Before I answer this question regarding William Shakespeare's tragedy Romeo and Juliet, let's review these two key literary terms: 

Imagery:
A literary device that evokes the senses of the reader using descriptive language. Note: this is not solely visual - language that evokes any sense is visual

Mood:
A literary term for the reader's response to a text

I'll provide you with a few quotations and some brief analysis: