I'll explain it in my own words..
The main theme of the poem is what the poem is mostly about. It teaches you about the moral and the life lesson you can learn from the poem.
Answer:
To tell a story from the narrator's perspective.
What story? Can you send me the story so i can answer? Thanks.
A, they help you find the page where a word is located
Contact with native populations is rarely an even exchange, natives are always exploited in some way.
