Yet it is amazing that this deal works at all – however imperfectly. For it breaches countless generations of human social arrangements.
––Sapiens: A Brief History of Humankind, by Yuval Noah Harari, pg. 359-60
(via: http://www.words-and-dirt.com/words/quote-10-30-2015/)

What grammatical function does "for" in the sentence have?
And I'm not sure what the last sentence is talking about also.


1 Answer 1


For -conjunction - (old-fashioned or literary)

  • because; as:
    • She remained silent, for her heart was heavy and her spirits low.

Cambridge Dictionary

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