As the manifest destiny is a belief that states it was God's will that Americans spread over the entire continent, and to control and populate the country as they see fit. in fact, it was used before civil war to validate the acquisition of continental territories like oregon, for example.This is the central idea that the author suggests by Cordilia's ideas in her letter.
I would say C. I actually haven't read the passage, but based off of another question I saw, I'd say the answer is C.
It's basically all of them but they also need to worry about what the consumers want and what kind of product they will sell.
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