Answer:

Douglass advocated equal justice and rights, as well as citizenship, for blacks. He begins his speech by modestly apologizing for being nervous in front of the crowd and recognizes that he has come a long way since his escape from slavery.
In this excerpt, the statement that is the best interpretation of this excerpt is
<em>The narrator enjoys the peaceful surroundings of the mountains.</em>
This poem is not about preferences or adventures of any kind. The author wants to project to the reader the feelings that these elements produce on him. He uses the comparative with nature because of the conviction that it never changes.
When He says: "come, heart, where hill is heaped upon hill.." and mentions the mythical brotherhood of sun and moon and hollow and wood, and river and stream"
He is using these comparatives to represent the value of the happiness of giving love to another person without limit. It is the purest expression of love.