Was the late 19th century treatment of indigenous people by the United States a conscious act of genocide or simply the inadvertent effect of expansion?

Answer the following question as if it was a miniature essay (at least 400 words). Cite your sources using Foner, Zinn, and lectures.
Begin with a strong thesis statement followed by relevant evidence from the readings and lectures.

Cite Foner as (Foner pg.#); cite the Zinn documents by the author of the document or title if the author is anonymous, for example (Ginsburg 454 or “Interview With Civilian Worker” 557) ); and cite the presentations/lectures as Colling + lecture/slide #, e.g. (Colling 5/42).

Question: Was the late 19th century treatment of indigenous people by the United States a conscious act of genocide or simply the inadvertent effect of expansion?

Use the following books
Foner, Eric. Give Me Liberty: An American History. Vol 2, 5thEdition

Zinn, Howard and Anthony ArnoveVoices of a Peoples History of the United States (any edition)

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