Who interrupts romeo and juliet and brings the infamous balcony scene to an end? what do romeo and juliet decide before parting?

What does sterling brown mean when he mentions the chain gang a.) brown is referring to people in general, who are chained in their minds. b.) brown is referring to slaves in chains c.) brown is referring to gangs in the ghetto chained to their crimes and poverty d.) brown is referring to men perhaps prisoners singing/chanting while working.

What is the main idea of this paragraph

In at least 150 words, identify and describe the setting, and the way the author uses imagery to describe it for part 1 of nectar in a sieve.