The narrator talks about a place where trees bear a lot of fruit. Cluade McKay was born in the West Indies where the place was loaded with trees just like the ones he describes in the first part of his poem.
<span>Langston Hughes is very angry. The term "Brother" has a new non-biblical context in his time. He's showing the duality of the term, not a new "universal" kinship. Sometimes his brother is black, sometimes his brother is white.
</span>
and the last one it's a history that i need to find :)
It's called an orchestra pit, that's where the musicians and their orchestra's would go to hide the source of music, or at least that's what i think it you're referring to.<span />
Most likely potential energy.